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Authentication Bypass

auth CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

How It Works

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications. Instead of cracking passwords through brute force, attackers manipulate the authentication process itself to gain unauthorized entry. This typically occurs through one of several pathways: exploiting hardcoded credentials embedded in source code or configuration files, manipulating parameters in authentication requests to skip verification steps, or leveraging broken session management that fails to properly validate user identity.

The attack flow often begins with reconnaissance to identify authentication endpoints and their underlying logic. Attackers may probe for default administrative credentials that were never changed, test whether certain URL paths bypass login requirements entirely, or intercept and modify authentication tokens to escalate privileges. In multi-step authentication processes, flaws in state management can allow attackers to complete only partial verification steps while still gaining full access.

More sophisticated variants exploit single sign-on (SSO) or OAuth implementations where misconfigurations in trust relationships allow attackers to forge authentication assertions. Parameter tampering—such as changing a "role=user" field to "role=admin" in a request—can trick poorly designed systems into granting elevated access without proper verification.

Impact

  • Complete account takeover — attackers gain full control of user accounts, including administrative accounts, without knowing legitimate credentials
  • Unauthorized data access — ability to view, modify, or exfiltrate sensitive information including customer data, financial records, and intellectual property
  • System-wide compromise — admin-level access enables installation of backdoors, modification of security controls, and complete infrastructure takeover
  • Lateral movement — bypassed authentication provides a foothold for moving deeper into networks and accessing additional systems
  • Compliance violations — unauthorized access triggers breach notification requirements and regulatory penalties

Real-World Examples

CrushFTP suffered a critical authentication bypass allowing attackers to access file-sharing functionality without any credentials. The vulnerability enabled direct server-side template injection, leading to remote code execution on affected systems. Attackers actively exploited this in the wild to establish persistent access to enterprise file servers.

Palo Alto's Expedition migration tool contained a flaw permitting attackers to reset administrative credentials without authentication. This allowed complete takeover of the migration environment, potentially exposing network configurations and security policies being transferred between systems.

SolarWinds Web Help Desk (CVE-2024-28987) shipped with hardcoded internal credentials that could not be changed through normal administrative functions. Attackers discovering these credentials gained full administrative access to helpdesk systems containing sensitive organizational information and user data.

Mitigation

  • Implement multi-factor authentication (MFA) — requires attackers to compromise additional verification factors beyond bypassed primary authentication
  • Eliminate hardcoded credentials — use secure credential management systems and rotate all default credentials during deployment
  • Enforce authentication on all endpoints — verify every request requires valid authentication; no "hidden" administrative paths should exist
  • Implement proper session management — use cryptographically secure session tokens, validate on server-side, enforce timeout policies
  • Apply principle of least privilege — limit damage by ensuring even authenticated users only access necessary resources
  • Regular security testing — conduct penetration testing specifically targeting authentication logic and flows

Recent CVEs (33286)

EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Typo3
NVD
EPSS 0% CVSS 5.8
MEDIUM PATCH This Month

The Authentication component in TYPO3 6.2.0 before 6.2.3 does not properly invalidate timed out user sessions, which allows remote attackers to bypass authentication via unspecified vectors. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Typo3
NVD
EPSS 1% CVSS 5.0
MEDIUM POC This Month

libpam-pgsql (aka pam_pgsql) 0.7 does not properly handle a NULL value returned by the password search query, which allows remote attackers to bypass authentication via a crafted password. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Libpam Pgsql
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The default configuration in the standalone controller quickstack manifest in openstack-foreman-installer, as used in Red Hat Enterprise Linux OpenStack Platform 4.0, disables authentication for. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Openstack
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

sosreport in Red Hat sos 1.7 and earlier on Red Hat Enterprise Linux (RHEL) 5 produces an archive with an fstab file potentially containing cleartext passwords, and lacks a warning about reviewing. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Ubuntu Linux +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Unspecified vulnerability in Citrix VDI-In-A-Box 5.3.x before 5.3.8 and 5.4.x before 5.4.4 allows remote attackers to bypass authentication via unspecified vectors, related to a Java servlet. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Citrix Java Authentication Bypass +1
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The setup script in ovirt-engine-dwh, as used in the Red Hat Enterprise Virtualization Manager data warehouse (rhevm-dwh) package before 3.3.3, stores the history database password in cleartext,. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Rhevm Dwh
NVD
EPSS 0% CVSS 7.5
HIGH This Week

The Bitrix e-Store module before 14.0.1 for Bitrix Site Manager uses sequential values for the BITRIX_SM_SALE_UID cookie, which makes it easier for remote attackers to guess the cookie value and. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Bitrix E Store Module
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon an error by the crypt or dispcrypt function as. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Xlockmore
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

The Administration GUI in the web framework in VOSS in Cisco Unified Communications Domain Manager (CDM) 9.0(.1) and earlier does not properly implement access control, which allows remote. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Unified Communications Domain Manager
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

SOSreport stores the md5 hash of the GRUB bootloader password in an archive, which allows local users to obtain sensitive information by reading the archive. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Sosreport
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The Google Authenticator login module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.4 for Drupal allows remote attackers to obtain access by replaying the username, password, and one-time password. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Ga Login
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

Apache HBase 0.92.x before 0.92.3 and 0.94.x before 0.94.9, when the Kerberos features are enabled, allows man-in-the-middle attackers to disable bidirectional authentication and obtain sensitive. Rated medium severity (CVSS 4.3). No vendor patch available.

Apache Authentication Bypass Hbase
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Axway Secure Messenger before 6.5 Updated Release 7, as used in Axway Email Firewall, provides different responses to authentication requests depending on whether the user exists, which allows remote. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Email Firewall Secure Messenger
NVD
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

login/token.php in Moodle through 2.3.11, 2.4.x before 2.4.10, 2.5.x before 2.5.6, and 2.6.x before 2.6.3 creates a MoodleMobile web-service token with an infinite lifetime, which makes it easier for. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

PHP Authentication Bypass Moodle
NVD
EPSS 29% CVSS 4.3
MEDIUM POC THREAT This Month

The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 29.1%.

IBM Authentication Bypass Sametime
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 does not send the HSTS Strict-Transport-Security header, which makes it easier for man-in-the-middle attackers to hijack. Rated medium severity (CVSS 4.3). No vendor patch available.

IBM Authentication Bypass Sametime
NVD
EPSS 3% CVSS 5.0
MEDIUM PATCH This Month

Apache CloudStack 4.0.0 before 4.0.2 and Citrix CloudPlatform (formerly Citrix CloudStack) 3.0.x before 3.0.6 Patch C allows remote attackers to bypass the console proxy authentication by leveraging. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Apache Citrix Authentication Bypass +2
NVD
EPSS 1% CVSS 8.3
HIGH This Week

Hanvon FaceID before 1.007.110 does not require authentication, which allows remote attackers to modify access-control and attendance-tracking data via API commands. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Faceid F810 Firmware Faceid +3
NVD
EPSS 0% CVSS 2.4
LOW Monitor

Emerson DeltaV 10.3.1, 11.3, 11.3.1, and 12.3 uses hardcoded credentials for diagnostic services, which allows remote attackers to bypass intended access restrictions via a TCP session, as. Rated low severity (CVSS 2.4). No vendor patch available.

Authentication Bypass Deltav
NVD
EPSS 0% CVSS 6.2
MEDIUM This Month

Emerson DeltaV 10.3.1, 11.3, 11.3.1, and 12.3 uses hardcoded credentials for diagnostic services, which allows remote attackers to bypass intended access restrictions via a TCP session, as. Rated medium severity (CVSS 6.2), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Deltav
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Authentication Bypass Safari
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

OpenText Exceed OnDemand (EoD) 8 allows man-in-the-middle attackers to disable bidirectional authentication and obtain sensitive information via a crafted string in a response, which triggers a. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Exceed Ondemand
NVD GitHub
EPSS 0% CVSS 7.5
HIGH This Week

OpenVAS Administrator 1.2 before 1.2.2 and 1.3 before 1.3.2 allows remote attackers to bypass the OAP authentication restrictions and execute OAP commands via a crafted OAP request for version. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Openvas Administrator
NVD
EPSS 5% CVSS 7.5
HIGH POC This Week

OpenVAS Manager 3.0 before 3.0.7 and 4.0 before 4.0.4 allows remote attackers to bypass the OMP authentication restrictions and execute OMP commands via a crafted OMP request for version information,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Openvas Manager
NVD Exploit-DB
EPSS 7% CVSS 5.0
MEDIUM POC This Month

VICIDIAL dialer (aka Asterisk GUI client) 2.8-403a, 2.7, 2.7RC1, and earlier has a hardcoded password of donotedit for the (1) VDAD and (2) VDCL users, which makes it easier for remote attackers to. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Vicidial
NVD Exploit-DB
EPSS 0% CVSS 6.8
MEDIUM POC PATCH This Month

The admin API in the tomato module before 0.0.6 for Node.js does not properly check the access key when it is set to a string, which allows remote attackers to bypass authentication via a string in. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available.

Node.js Authentication Bypass Tomato
NVD GitHub
EPSS 1% CVSS 7.6
HIGH This Week

EMC RSA NetWitness before 9.8.5.19 and RSA Security Analytics before 10.2.4 and 10.3.x before 10.3.2, when Kerberos PAM is enabled, do not require a password, which allows remote attackers to bypass. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Rsa Netwitness Rsa Security Analytics
NVD
EPSS 8% CVSS 5.0
MEDIUM PATCH This Month

Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service (resource. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Denial Of Service Authentication Bypass Dovecot
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

The Identity v3 API in OpenStack Dashboard (Horizon) before 2013.2 does not require the current password when changing passwords for user accounts, which makes it easier for remote attackers to. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Horizon
NVD
EPSS 83% 7.3 CVSS 8.8
HIGH POC KEV PATCH THREAT Act Now

The Group Policy implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 does not properly handle. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Authentication Bypass Microsoft
NVD VulDB
EPSS 21% 4.1 CVSS 10.0
CRITICAL POC THREAT Emergency

Foscam IP camera 11.37.2.49 and other versions, when using the Foscam DynDNS option, generates credentials based on predictable camera subdomain names, which allows remote attackers to spoof or. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 21.1%.

Authentication Bypass Ip Camera Firmware
NVD GitHub Exploit-DB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

lib/Auth/Source/External.php in the drupalauth module before 1.2.2 for simpleSAMLphp allows remote attackers to authenticate as an arbitrary user via the user name (uid) in a cookie. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

PHP Authentication Bypass Drupalauth
NVD
EPSS 0% CVSS 9.3
CRITICAL Act Now

D-Link DIR-505L SharePort Mobile Companion 1.01 and DIR-826L Wireless N600 Cloud Router 1.02 allows remote attackers to bypass authentication via a direct request when an authorized session is active. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

D-Link Authentication Bypass Dir 826L Wireless N600 Cloud Router Firmware +3
NVD
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

GitLab before 5.4.2, Community Edition before 6.2.4, and Enterprise Edition before 6.2.1, when using a MySQL backend, allows remote attackers to impersonate arbitrary users and bypass authentication. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Gitlab Authentication Bypass
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

The API in Zabbix before 1.8.20rc1, 2.0.x before 2.0.11rc1, and 2.2.x before 2.2.2rc1 allows remote authenticated users to spoof arbitrary users via the user name in a user.login request. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Zabbix Authentication Bypass Fedora
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

Session fixation vulnerability in Foreman before 1.4.2 allows remote attackers to hijack web sessions via the session id cookie. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Foreman
NVD
EPSS 0% CVSS 2.1
LOW PATCH Monitor

The l3-agent in OpenStack Neutron 2012.2 before 2013.2.3 does not check the tenant id when creating ports, which allows remote authenticated users to plug ports into the routers of arbitrary tenants. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Neutron Ubuntu Linux
NVD
EPSS 0% CVSS 2.1
LOW POC PATCH Monitor

The Subversion plugin before 1.54 for Jenkins stores credentials using base64 encoding, which allows local users to obtain passwords and SSH private keys by reading a subversion.credentials file. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. Public exploit code available.

Jenkins Authentication Bypass Subversion Plugin
NVD GitHub
EPSS 0% CVSS 6.8
MEDIUM This Month

Cisco Adaptive Security Appliance (ASA) Software allows remote authenticated users to read files by sending a crafted URL to the HTTP server, as demonstrated by reading the running configuration, aka. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Adaptive Security Appliance Software
NVD
EPSS 32% 4.3 CVSS 9.0
CRITICAL POC THREAT Emergency

F5 BIG-IQ Cloud and Security 4.0.0 through 4.1.0 allows remote authenticated users to change the password of arbitrary users via the name parameter in a request to the user's page in. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 31.9%.

Authentication Bypass Big Iq
NVD Exploit-DB GitHub VulDB
EPSS 4% CVSS 7.5
HIGH POC This Week

recoveryconsole/bpl/snmpd.php in Unitrends Enterprise Backup 7.3.0 allows remote attackers to bypass authentication by setting the auth parameter to a certain string. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass Enterprise Backup
NVD Exploit-DB GitHub VulDB
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

Session fixation vulnerability in the Ubercart module 6.x-2.x before 6.x-2.13 and 7.x-3.x before 7.x-3.6 for Drupal, when the "Log in new customers after checkout" option is enabled, allows remote. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Ubercart
NVD VulDB
EPSS 1% CVSS 7.5
HIGH This Week

Juvia uses the same secret key for all installations, which allows remote attackers to have unspecified impact by leveraging the secret key in app/config/initializers/secret_token.rb, related to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Juvia
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW Monitor

A certain Gentoo patch for the PAM S/Key module does not properly clear credentials from memory, which allows local users to obtain sensitive information by reading system memory. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Pam S Key
NVD VulDB
EPSS 1% CVSS 7.5
HIGH This Week

The PointerCompare function in codegen.cc in Seccomp-BPF, as used in Google Chrome before 34.0.1847.131 on Windows and OS X and before 34.0.1847.132 on Linux, does not properly merge blocks, which. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Google Microsoft +1
NVD VulDB
EPSS 1% CVSS 7.8
HIGH This Week

Google V8, as used in Google Chrome before 34.0.1847.131 on Windows and OS X and before 34.0.1847.132 on Linux, does not properly store internationalization metadata, which allows remote attackers to. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Memory Corruption Google +2
NVD VulDB
EPSS 1% CVSS 9.3
CRITICAL Act Now

The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion do not require authentication for connections to certain TCP ports, which. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Softmotion Cecx X M1 Modular Controller +2
NVD
EPSS 3% CVSS 9.3
CRITICAL Act Now

The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion provide an undocumented access method involving the FTP protocol, which could. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

RCE Denial Of Service Authentication Bypass +4
NVD VulDB
EPSS 0% CVSS 7.5
HIGH This Week

The openshift-origin-broker in Red Hat OpenShift Enterprise 2.0.5, 1.2.7, and earlier does not properly handle authentication requests from the remote-user auth plugin, which allows remote attackers. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Openshift
NVD VulDB
EPSS 0% CVSS 6.8
MEDIUM POC This Month

Secure Transport in Apple iOS before 7.1.1, Apple OS X 10.8.x and 10.9.x through 10.9.2, and Apple TV before 6.1.1 does not ensure that a server's X.509 certificate is the same during renegotiation. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Apple Authentication Bypass Iphone Os +2
NVD VulDB
EPSS 1% CVSS 6.4
MEDIUM This Month

The Flex-VPN load-balancing feature in the ipsec-ikev2 implementation in Cisco IOS before 15.1(1)SY3 does not require authentication, which allows remote attackers to trigger the forwarding of VPN. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Cisco Authentication Bypass +1
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Cisco Denial Of Service +2
NVD VulDB
EPSS 5% CVSS 6.8
MEDIUM POC This Month

Session fixation vulnerability in CubeCart before 5.2.9 allows remote attackers to hijack web sessions via the PHPSESSID parameter. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Authentication Bypass Cubecart
NVD Exploit-DB VulDB
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

includes/specials/SpecialChangePassword.php in MediaWiki before 1.19.14, 1.20.x and 1.21.x before 1.21.8, and 1.22.x before 1.22.5 does not properly handle a correctly authenticated but unintended. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

CSRF PHP Authentication Bypass +1
NVD VulDB
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

The login form in Bugzilla 2.x, 3.x, 4.x before 4.4.3, and 4.5.x before 4.5.3 does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

CSRF Authentication Bypass Bugzilla +1
NVD VulDB
EPSS 0% CVSS 3.8
LOW Monitor

Unspecified vulnerability in HP HP-UX Whitelisting (aka WLI) before A.01.02.02 on HP-UX B.11.31 allows local users to bypass intended access restrictions via unknown vectors. Rated low severity (CVSS 3.8). No vendor patch available.

HP Authentication Bypass Hp Ux Whitelisting
NVD VulDB
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

Session fixation vulnerability in the management screen in Cybozu Remote Service Manager through 2.3.0 and 3.x before 3.1.1 allows remote attackers to hijack web sessions via unspecified vectors. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Remote Service Manager
NVD VulDB
EPSS 0% CVSS 4.3
MEDIUM PATCH This Month

imapsync before 1.584, when running with the --tls option, attempts a cleartext login when a certificate verification failure occurs, which allows remote attackers to obtain credentials by sniffing. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable.

Authentication Bypass Imapsync
NVD GitHub VulDB
EPSS 0% CVSS 2.1
LOW PATCH Monitor

JBoss Fuse did not enable encrypted passwords by default in its usage of Apache Zookeeper. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity.

Apache Information Disclosure Authentication Bypass +2
NVD VulDB
EPSS 0% CVSS 4.7
MEDIUM This Month

EMC Cloud Tiering Appliance (CTA) 9.x through 10 SP1 and File Management Appliance (FMA) 7.x store DES password hashes for the root, super, and admin accounts, which makes it easier for. Rated medium severity (CVSS 4.7). No vendor patch available.

Authentication Bypass Cloud Tiering Appliance Software Cloud Tiering Appliance +2
NVD GitHub VulDB
EPSS 0% CVSS 6.4
MEDIUM This Month

IKEv2 in strongSwan 4.0.7 before 5.1.3 allows remote attackers to bypass authentication by rekeying an IKE_SA during (1) initiation or (2) re-authentication, which triggers the IKE_SA state to be set. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Strongswan
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

The default configuration of PaperThin CommonSpot before 7.0.2 and 8.x before 8.0.3 uses cleartext for storage of credentials in a database, which makes it easier for context-dependent attackers to. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Commonspot Content Server
NVD VulDB
EPSS 0% CVSS 4.6
MEDIUM This Month

IBM MessageSight 1.x before 1.1.0.0-IBM-IMA-IT01015 does not verify that all of the characters of a password are correct, which makes it easier for remote authenticated users to bypass intended. Rated medium severity (CVSS 4.6), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Messagesight Jms Client +1
NVD VulDB
EPSS 1% CVSS 7.8
HIGH PATCH This Week

The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Denial Of Service Authentication Bypass Keystone
NVD VulDB
EPSS 1% CVSS 6.4
MEDIUM This Month

The default configuration in cURL and libcurl 7.10.6 before 7.36.0 re-uses (1) SCP, (2) SFTP, (3) POP3, (4) POP3S, (5) IMAP, (6) IMAPS, (7) SMTP, (8) SMTPS, (9) LDAP, and (10) LDAPS connections,. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Curl Libcurl +1
NVD VulDB
EPSS 0% CVSS 6.0
MEDIUM PATCH This Month

The auth_token middleware in the OpenStack Python client library for Keystone (aka python-keystoneclient) before 0.7.0 does not properly retrieve user tokens from memcache, which allows remote. Rated medium severity (CVSS 6.0), this vulnerability is remotely exploitable.

Python Authentication Bypass Python Keystoneclient
NVD VulDB
EPSS 2% CVSS 5.0
MEDIUM This Month

Amtelco miSecureMessages allows remote attackers to read the messages of arbitrary users via an XML request containing a valid license key and a modified contactID value, as demonstrated by a request. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Google Authentication Bypass +1
NVD VulDB
EPSS 0% CVSS 7.8
HIGH This Week

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 has a hardcoded password of qweasdzxc for an unspecified account, which allows remote attackers to obtain index.asp login. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Zyxel Authentication Bypass N300 Netusb Nbg 419N Firmware +1
NVD VulDB
EPSS 0% CVSS 6.1
MEDIUM This Month

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass authentication by using %2F sequences in place of / (slash) characters. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.

Zyxel Authentication Bypass N300 Netusb Nbg 419N Firmware +1
NVD VulDB
EPSS 0% CVSS 3.5
LOW Monitor

The Artiva Agency Single Sign-On (SSO) implementation in Artiva Workstation 1.3.x before 1.3.9, Artiva Rm 3.1 MR7, Artiva Healthcare 5.2 MR5, and Artiva Architect 3.2 MR5, when the domain-name option. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft Authentication Bypass Artiva Architect +3
NVD VulDB
EPSS 1% CVSS 5.0
MEDIUM POC PATCH This Month

apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Authentication Bypass Modsecurity Debian Linux
NVD GitHub VulDB
EPSS 65% 4.4 CVSS 5.0
MEDIUM POC PATCH THREAT This Month

The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directives by placing a header in the trailer portion of data sent with chunked. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 64.7%.

Authentication Bypass Apache Http Server +14
NVD VulDB
EPSS 0% CVSS 3.5
LOW Monitor

The Settings module in Websense Triton Unified Security Center 7.7.3 before Hotfix 31, Web Filter 7.7.3 before Hotfix 31, Web Security 7.7.3 before Hotfix 31, Web Security Gateway 7.7.3 before Hotfix. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Triton Unified Security Center Triton Web Filter +3
NVD VulDB
EPSS 0% CVSS 4.0
MEDIUM This Month

IBM SPSS Analytic Server 1.0 before IF002 and 1.0.1 before IF004 logs cleartext passwords, which allows remote authenticated users to obtain sensitive information via unspecified vectors. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Spss Analytic Server
NVD VulDB
EPSS 1% CVSS 7.5
HIGH This Week

SAP Business Object Processing Framework (BOPF) for ABAP has hardcoded credentials, which makes it easier for remote attackers to obtain access via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SAP Authentication Bypass Business Object Processing Framework For Abap
NVD VulDB
EPSS 1% CVSS 7.5
HIGH This Week

SAP Print and Output Management has hardcoded credentials, which makes it easier for remote attackers to obtain access via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SAP Authentication Bypass Print And Output Management
NVD VulDB
EPSS 1% CVSS 5.0
MEDIUM This Month

The SAP Software Deployment Manager (SDM), in certain unspecified conditions, allows remote attackers to cause a denial of service via vectors related to failed authentications. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service SAP Authentication Bypass +1
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

The SSL VPN implementation in Cisco Adaptive Security Appliance (ASA) Software 8.2 before 8.2(5.47, 8.3 before 8.3(2.40), 8.4 before 8.4(7.3), 8.6 before 8.6(1.13), 9.0 before 9.0(3.8), and 9.1. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Adaptive Security Appliance Software
NVD VulDB
EPSS 32% CVSS 6.4
MEDIUM This Month

The wp_validate_auth_cookie function in wp-includes/pluggable.php in WordPress before 3.7.2 and 3.8.x before 3.8.2 does not properly determine the validity of authentication cookies, which makes it. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 31.6% and no vendor patch available.

WordPress PHP Authentication Bypass
NVD VulDB
EPSS 1% CVSS 4.3
MEDIUM This Month

The drag implementation in Google Chrome before 34.0.1847.116 allows user-assisted remote attackers to bypass the Same Origin Policy and forge local pathnames by leveraging renderer access. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Google Authentication Bypass Chrome
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

WebKit, as used in Apple Safari before 6.1.3 and 7.x before 7.0.3, does not properly validate WebProcess IPC messages, which allows remote attackers to bypass a sandbox protection mechanism and read. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Authentication Bypass Safari
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM POC This Month

The remember me feature in portal/scr_authentif.php in POSH (aka Posh portal or Portaneo) 3.0, 3.2.1, 3.3.0, and earlier stores the username and MD5 digest of the password in cleartext in a cookie,. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass Posh
NVD VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

The web management interface in Siemens RuggedCom ROS before 3.11, ROS 3.11 before 3.11.5 for RS950G, ROS 3.12, and ROS 4.0 for RSG2488 allows remote attackers to cause a denial of service (interface. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Siemens Authentication Bypass +1
NVD VulDB
EPSS 0% CVSS 7.5
HIGH This Week

Session fixation vulnerability in EMC VPLEX GeoSynchrony 4.x and 5.x before 5.3 allows remote attackers to hijack web sessions via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Vplex Geosynchrony
NVD VulDB
EPSS 0% CVSS 3.7
LOW Monitor

Luci in Red Hat Conga stores the user's username and password in a Base64 encoded string in the __ac session cookie, which allows attackers to gain privileges by accessing this cookie. Rated low severity (CVSS 3.7). No vendor patch available.

Red Hat Authentication Bypass Conga +1
NVD VulDB
EPSS 0% CVSS 4.9
MEDIUM This Month

Race condition in the (1) CREATE INDEX and (2) unspecified ALTER TABLE commands in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Race Condition PostgreSQL
NVD VulDB
EPSS 1% CVSS 7.5
HIGH PATCH This Week

The forgotten-password feature in forcepasswd.do in the management GUI in Symantec LiveUpdate Administrator (LUA) 2.x before 2.3.2.110 allows remote attackers to reset arbitrary passwords by. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Liveupdate Administrator
NVD VulDB
EPSS 0% CVSS 6.8
MEDIUM This Month

The (1) WebGL.compressedTexImage2D and (2) WebGL.compressedTexSubImage2D functions in Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to bypass the Same Origin Policy and. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Opensuse +6
NVD VulDB
EPSS 1% CVSS 6.5
MEDIUM POC PATCH This Month

The SASL authentication functionality in 389 Directory Server before 1.2.11.26 allows remote authenticated users to connect as an arbitrary user and gain privileges via the authzid parameter in a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Authentication Bypass 389 Directory Server
NVD VulDB
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33286

MITRE ATT&CK

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