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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 4.4
MEDIUM This Month

rssh 2.3.2, as used by Debian, Fedora, and others, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via a (1) "-e" or (2) "--" command line option. Rated medium severity (CVSS 4.4). No vendor patch available.

Debian Authentication Bypass Rssh
NVD
EPSS 78% 7.3 CVSS 9.8
CRITICAL POC KEV THREAT Emergency

Adobe ColdFusion 9.0, 9.0.1, and 9.0.2, when a password is not configured, allows remote attackers to bypass authentication and possibly execute arbitrary code via unspecified vectors, as exploited. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Adobe Authentication Bypass RCE
NVD Exploit-DB VulDB
EPSS 0% CVSS 2.1
LOW Monitor

Pulp in Red Hat CloudForms before 1.1 uses world-readable permissions for pulp.conf, which allows local users to read the administrative password by reading this file. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Cloudforms
NVD
EPSS 0% CVSS 3.3
LOW Monitor

Pulp in Red Hat CloudForms before 1.1 logs administrative passwords in a world-readable file, which allows local users to read pulp administrative passwords by reading production.log. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

Red Hat Authentication Bypass Cloudforms
NVD
EPSS 0% CVSS 5.1
MEDIUM This Month

The http_negotiate_create_context function in protocol/http/http_negotiate.c in ELinks 0.12 before 0.12pre6, when using HTTP Negotiate or GSS-Negotiate authentication, delegates user credentials. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Elinks
NVD
EPSS 0% CVSS 7.5
HIGH This Week

The Central application in i-GEN opLYNX before 2.01.9 allows remote attackers to bypass authentication via vectors involving the disabling of browser JavaScript support. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Oplynx
NVD
EPSS 11% CVSS 5.0
MEDIUM POC THREAT This Month

The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 11.5%.

PHP Apache Authentication Bypass +3
NVD Exploit-DB
EPSS 1% CVSS 10.0
CRITICAL Act Now

Unspecified vulnerability in CA IdentityMinder r12.0 through CR16, r12.5 before SP15, and r12.6 GA allows remote attackers to bypass intended access restrictions via unknown vectors. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Identityminder
NVD
EPSS 0% CVSS 6.4
MEDIUM This Month

Unspecified vulnerability in NetIQ eDirectory 8.8.6.x before 8.8.6.7 and 8.8.7.x before 8.8.7.2 on Windows allows remote attackers to obtain an administrator cookie and bypass authorization checks. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass Edirectory
NVD
EPSS 5% CVSS 6.4
MEDIUM POC This Month

The pa_modify_accounts function in auth.dll in unifid.exe in NetIQ Privileged User Manager 2.3.x before 2.3.1 HF2 does not require authentication for the modifyAccounts method, which allows remote. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Privileged User Manager
NVD Exploit-DB
EPSS 0% CVSS 10.0
CRITICAL Act Now

The Carlo Gavazzi EOS-Box stores hard-coded passwords in the PHP file of the device. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP Authentication Bypass Eos Box Photovoltaic Monitoring System Firmware +1
NVD
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

Linux Authentication Bypass Linux Kernel
NVD GitHub
EPSS 2% CVSS 10.0
CRITICAL Act Now

The web interface on (1) Foscam and (2) Wansview IP cameras allows remote attackers to bypass authentication, and perform administrative functions or read the admin password, via a direct request to. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass H 264 Hi3510 11 12 Ip Camera
NVD
EPSS 2% CVSS 7.9
HIGH This Week

The Service Processor in the IBM Power 5 91##-### and 940#-### before SF240_418_382 does not ensure that firewall code is executed, which allows remote attackers to execute arbitrary code via. Rated high severity (CVSS 7.9). No vendor patch available.

IBM RCE Authentication Bypass +2
NVD
EPSS 1% CVSS 4.3
MEDIUM PATCH This Month

The IronJacamar container before 1.0.12.Final for JBoss Application Server, when allow-multiple-users is enabled in conjunction with a security domain, does not use the credentials supplied in a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable.

Authentication Bypass Ironjacamar
NVD
EPSS 0% CVSS 5.0
MEDIUM PATCH This Month

The "Lost Password" reset functionality in ownCloud before 4.0.9 and 4.5.0 does not properly check the security token, which allows remote attackers to change an accounts password via unspecified. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Owncloud Owncloud Server
NVD GitHub
EPSS 0% CVSS 5.4
MEDIUM PATCH This Month

A flaw was found in OpenStack Keystone. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.

Elastic Authentication Bypass
NVD GitHub VulDB
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Folsom
NVD GitHub
EPSS 9% CVSS 5.8
MEDIUM This Month

The IP-HTTPS server in Windows Server 2008 R2 and R2 SP1 and Server 2012 does not properly validate certificates, which allows remote attackers to bypass intended access restrictions via a revoked. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft Authentication Bypass Windows Server 2008 +1
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The Host Connect emulator in IBM Rational Developer for System z 7.1 through 8.5.1 does not properly store the SSL certificate password, which allows local users to obtain sensitive information via. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

IBM Authentication Bypass Rational Developer For System Z
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

freeFTPd.exe in freeFTPd through 1.0.11 allows remote attackers to bypass authentication via a crafted SFTP session, as demonstrated by an OpenSSH client with modified versions of ssh.c and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SSH Authentication Bypass Freeftpd
NVD
EPSS 76% 5.6 CVSS 9.3
CRITICAL POC THREAT Emergency

freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 75.9%.

SSH Authentication Bypass Freesshd
NVD Exploit-DB
EPSS 26% 4.1 CVSS 9.3
CRITICAL POC THREAT Emergency

The SSH USERAUTH CHANGE REQUEST feature in SSH Tectia Server 6.0.4 through 6.0.20, 6.1.0 through 6.1.12, 6.2.0 through 6.2.5, and 6.3.0 through 6.3.2 on UNIX and Linux, when old-style password. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 25.7%.

SSH Authentication Bypass Tectia Server
NVD Exploit-DB GitHub
EPSS 11% CVSS 4.3
MEDIUM POC THREAT This Month

Samsung Kies Air 2.1.207051 and 2.1.210161 relies on the IP address for authentication, which allows remote man-in-the-middle attackers to read arbitrary phone contents by spoofing or controlling the. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 11.5%.

Samsung Authentication Bypass Kies Air
NVD Exploit-DB
EPSS 1% CVSS 9.3
CRITICAL Act Now

The default configuration of EMC Smarts Network Configuration Manager (NCM) before 9.1 does not require authentication for database access, which allows remote attackers to have an unspecified impact. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass It Operations Intelligence
NVD
EPSS 7% CVSS 5.0
MEDIUM POC This Month

cookie_gen.php in ar web content manager (AWCM) 2.2 does not require authentication, which allows remote attackers to generate arbitrary cookies via the name parameter in conjunction with the content. 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 Ar Web Content Manager
NVD Exploit-DB
EPSS 1% CVSS 3.3
LOW Monitor

JGroups diagnostics service in JBoss Enterprise Portal Platform before 5.2.2, SOA Platform before 5.3.0, and BRMS Platform before 5.3.0, is enabled without authentication when started by the JGroups. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Jboss Enterprise Portal Platform Jboss Enterprise Soa Platform +1
NVD
EPSS 18% CVSS 9.4
CRITICAL POC THREAT Emergency

These Sinapsi devices do not check if users that visit pages within the device have properly authenticated. Rated critical severity (CVSS 9.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 18.3%.

Authentication Bypass Sinapsi Firmware Esolar Duo Photovoltaic System Monitor +2
NVD Exploit-DB
EPSS 18% 4.0 CVSS 10.0
CRITICAL POC THREAT Emergency

These Sinapsi devices store hard-coded passwords in the PHP file of the device. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 18.3%.

PHP Authentication Bypass Sinapsi Firmware +3
NVD Exploit-DB
EPSS 3% CVSS 7.8
HIGH This Week

The IBM WebSphere DataPower XC10 Appliance 2.0.0.0 through 2.0.0.3 and 2.1.0.0 through 2.1.0.2 does not require authentication for an unspecified interface, which allows remote attackers to cause a. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Denial Of Service Authentication Bypass +1
NVD
EPSS 12% CVSS 5.0
MEDIUM PATCH This Month

The HTTP Digest Access Authentication implementation in Apache Tomcat 5.5.x before 5.5.36, 6.x before 6.0.36, and 7.x before 7.0.30 does not properly check for stale nonce values in conjunction with. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apache Authentication Bypass Tomcat
NVD
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

The HTTP Digest Access Authentication implementation in Apache Tomcat 5.5.x before 5.5.36, 6.x before 6.0.36, and 7.x before 7.0.30 caches information about the authenticated user within the session. 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.

Tomcat Apache Authentication Bypass
NVD
EPSS 0% CVSS 6.9
MEDIUM This Month

EMC RSA Data Protection Manager Appliance 2.7.x and 3.x before 3.2.1 does not properly restrict the number of authentication attempts by a user account, which makes it easier for local users to. Rated medium severity (CVSS 6.9). No vendor patch available.

Authentication Bypass Rsa Data Protection Manager Appliance
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

MosP kintai kanri before 4.1.0 does not properly perform authentication, which allows remote authenticated users to impersonate arbitrary user accounts, and consequently obtain sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Kintai Kanri
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The Java servlets in the management console in IBM Tivoli Federated Identity Manager (TFIM) through 6.2.2 and Tivoli Federated Identity Manager Business Gateway (TFIMBG) before 6.2.2 do not require. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Java Authentication Bypass +2
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords,. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Secure Access Control Server
NVD
EPSS 0% CVSS 3.3
LOW Monitor

EMC Avamar Client for VMware 6.1 stores the cleartext server root password on the proxy client, which might allow remote attackers to obtain sensitive information by leveraging "network access" to. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

VMware Authentication Bypass Avamar
NVD
EPSS 1% CVSS 7.1
HIGH This Week

The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices,. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service Cisco Authentication Bypass +11
NVD
EPSS 1% CVSS 6.4
MEDIUM POC This Month

Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10, and SeaMonkey before 2.13.2 allow remote attackers to bypass the Same. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Mozilla Authentication Bypass Firefox +12
NVD
EPSS 77% 5.4 CVSS 7.8
HIGH POC THREAT Act Now

The rtrlet web application in the Web Console in Novell ZENworks Asset Management (ZAM) 7.5 uses a hard-coded username of Ivanhoe and a hard-coded password of Scott for the (1) GetFile_Password and. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 77.0%.

Authentication Bypass Zenworks Asset Management
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The (1) install and (2) upgrade processes in EMC NetWorker Module for Microsoft Applications (NMM) 2.2.1, 2.3 before build 122, and 2.4 before build 375, when Exchange Server is used, allow local. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Microsoft Authentication Bypass Networker Module For Microsoft Applications
NVD
EPSS 92% 7.7 CVSS 9.8
CRITICAL POC KEV PATCH THREAT Act Now

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allows remote attackers to affect confidentiality, integrity, and availability,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Java Oracle Authentication Bypass
NVD Exploit-DB VulDB
EPSS 1% CVSS 4.3
MEDIUM This Month

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly restrict calls to DOMWindowUtils. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox +12
NVD
EPSS 0% CVSS 5.8
MEDIUM This Month

Eduserv OpenAthens SP 2.0 for Java allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion attack.". Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Java Authentication Bypass Openathens Service Provider
NVD
EPSS 0% CVSS 5.8
MEDIUM This Month

Java Open Single Sign-On Project Home (JOSSO) allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Java Authentication Bypass Java Open Single Sign On Project Home
NVD
EPSS 0% CVSS 6.4
MEDIUM PATCH This Month

Apache Axis2 allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion attack," a different vulnerability. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Apache Authentication Bypass Axis2
NVD
EPSS 0% CVSS 5.8
MEDIUM POC PATCH This Month

Apache Axis2 allows remote attackers to forge messages and bypass authentication via an "XML Signature wrapping attack.". Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. Public exploit code available.

Apache Authentication Bypass Axis2
NVD
EPSS 1% CVSS 4.0
MEDIUM PATCH This Month

OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's. 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.

Authentication Bypass Keystone
NVD GitHub
EPSS 4% CVSS 7.5
HIGH PATCH This Week

The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the. 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.

Authentication Bypass Keystone
NVD GitHub
EPSS 1% CVSS 6.8
MEDIUM POC This Month

servlet/traveler in IBM Lotus Notes Traveler through 8.5.3.3 Interim Fix 1 does not properly restrict invalid authentication attempts, which makes it easier for remote attackers to obtain access via. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

IBM Authentication Bypass Lotus Notes Traveler
NVD
EPSS 0% CVSS 1.9
LOW POC PATCH Monitor

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a. Rated low severity (CVSS 1.9). Public exploit code available.

Linux Authentication Bypass Linux Kernel
NVD GitHub
EPSS 0% CVSS 5.8
MEDIUM PATCH This Month

IBM Tivoli Federated Identity Manager (TFIM) and Tivoli Federated Identity Manager Business Gateway (TFIMBG) 6.1.1, 6.2.0, 6.2.1, and 6.2.2 allow remote attackers to establish sessions via a crafted. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable.

Authentication Bypass IBM Tivoli Federated Identity Manager +1
NVD
EPSS 0% CVSS 7.5
HIGH POC This Week

user.php in NextBBS 0.6 allows remote attackers to bypass authentication and gain administrator access by setting the userkey cookie to 1. 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 Nextbbs
NVD
EPSS 1% CVSS 6.4
MEDIUM This Month

The filesystem authentication (condor_io/condor_auth_fs.cpp) in Condor 7.6.x before 7.6.10 and 7.8.x before 7.8.4 uses authentication directories even when they have weak permissions, which allows. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

Unspecified vulnerability in Google Chrome before 22.0.1229.79 allows remote attackers to bypass the pop-up blocker via unknown vectors. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.45, 7.0 before 7.0.0.25, 8.0 before 8.0.0.5, and 8.5 before 8.5.0.1, when multi-domain support is configured, does not purge password data from. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Websphere Application Server
NVD
EPSS 0% CVSS 8.5
HIGH This Week

The authentication functionality in EMC RSA Authentication Agent 7.1 and RSA Authentication Client 3.5 on Windows XP and Windows Server 2003, when an unspecified configuration exists, allows remote. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft Authentication Bypass Rsa Authentication Agent +1
NVD
EPSS 55% 4.4 CVSS 6.4
MEDIUM POC PATCH THREAT This Month

The authentication protocol in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote attackers to obtain the session key and salt for arbitrary users,. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 54.9%.

Oracle Authentication Bypass Database Server +1
NVD Exploit-DB
EPSS 0% CVSS 1.9
LOW Monitor

The Restrictions (aka Parental Controls) implementation in Apple iOS before 6 does not properly handle purchase attempts after a Disable Restrictions action, which allows local users to bypass an. Rated low severity (CVSS 1.9). No vendor patch available.

Apple Authentication Bypass Iphone Os
NVD
EPSS 0% CVSS 1.9
LOW Monitor

Office Viewer in Apple iOS before 6 writes cleartext document data to a temporary file, which might allow local users to bypass a document's intended (1) Data Protection level or (2) encryption state. Rated low severity (CVSS 1.9). No vendor patch available.

Apple Microsoft Authentication Bypass +1
NVD
EPSS 0% CVSS 2.1
LOW Monitor

Mail in Apple iOS before 6 does not properly implement the Data Protection feature for e-mail attachments, which allows physically proximate attackers to bypass an intended passcode requirement via. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Apple Authentication Bypass Iphone Os
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Profile Manager in Apple Mac OS X before 10.7.5 does not properly perform authentication for the Device Management private interface, which allows attackers to enumerate managed devices via. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

Mobile Accounts in Apple Mac OS X before 10.7.5 and 10.8.x before 10.8.2 saves password hashes for external-account use even if external accounts are not enabled, which might allow remote attackers. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

nxapplet.jar in No Machine NX Web Companion 3.x and earlier does not properly verify the authenticity of updates, which allows user-assisted remote attackers to execute arbitrary code via a crafted. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

RCE Authentication Bypass Nx Web Companion
NVD
EPSS 5% CVSS 6.4
MEDIUM POC This Month

approve.php in Img Pals Photo Host 1.0 does not authenticate requests, which allows remote attackers to change the activation of administrators via the u parameter in an (1) app0 (disable) or (2). Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass Img Pals Photo Host
NVD Exploit-DB
EPSS 54% 4.1 CVSS 5.0
MEDIUM POC PATCH THREAT This Month

file/edit_html.cgi in Webmin 1.590 and earlier does not perform an authorization check before showing a file's unedited contents, which allows remote attackers to read arbitrary files via the file. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 54.0%.

Authentication Bypass Webmin
NVD GitHub
EPSS 2% CVSS 4.3
MEDIUM POC This Month

The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 through 5.4.0 does not properly determine a pointer during checks for %0D sequences (aka carriage return characters), which allows remote. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

PHP Google Authentication Bypass +3
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

The Linux Console on the WAGO I/O System 758 model 758-870, 758-874, 758-875, and 758-876 Industrial PC (IPC) devices has a default password of wago for the (1) root and (2) admin accounts, (3) a. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Wago I O System 758 Industrial Pc Device
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

WAGO I/O System 758 model 758-870, 758-874, 758-875, and 758-876 Industrial PC (IPC) devices have default passwords for unspecified Web Based Management accounts, which makes it easier for remote. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Wago I O System 758 Industrial Pc Device
NVD
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

PHP Authentication Bypass Owncloud Server
NVD GitHub
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

Auth/Verify/LDAP.pm in Bugzilla 2.x and 3.x before 3.6.11, 3.7.x and 4.0.x before 4.0.8, 4.1.x and 4.2.x before 4.2.3, and 4.3.x before 4.3.3 does not restrict the characters in a username, which. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Bugzilla
NVD
EPSS 0% CVSS 7.7
HIGH This Week

The Management Software application in GarrettCom Magnum MNS-6K before 4.4.0, and 14.x before 14.4.0, has a hardcoded password for an administrative account, which allows local users to gain. Rated high severity (CVSS 7.7), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Magnum Managed Networks Software 6K Magnum Managed Networks Software 6K Secure
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The RADIUS extension in PacketFence before 3.3.0 uses a different user name than is used for authentication for users with custom VLAN assignment extensions, which allows remote attackers to spoof. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Packetfence
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

The scriptfu network server in GIMP 2.6 does not require authentication, which allows remote attackers to execute arbitrary commands via the python-fu-eval command. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Python Authentication Bypass Gimp
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

EMC Cloud Tiering Appliance (aka CTA, formerly FMA) 9.0 and earlier, and Cloud Tiering Appliance Virtual Edition (CTA/VE) 9.0 and earlier, allows remote attackers to obtain GUI administrative access. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Cloud Tiering Appliance Virtual Edition Cloud Tiering Appliance
NVD
EPSS 94% 9.8 CVSS 9.8
CRITICAL POC KEV THREAT Emergency

Oracle Java SE 7 Update 6 and earlier contains multiple sandbox bypass vulnerabilities via the ClassFinder and forName methods, enabling complete sandbox escape for untrusted applets. Massively exploited by exploit kits in 2012.

Java Oracle Authentication Bypass +7
NVD Exploit-DB VulDB
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

Apache QPID 0.14, 0.16, and earlier uses a NullAuthenticator mechanism to authenticate catch-up shadow connections to AMQP brokers, which allows remote attackers to bypass authentication. 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 Authentication Bypass Qpid
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

The installation script in Katello 1.0 and earlier does not properly generate the Application.config.secret_token value, which causes each default installation to have the same secret token, and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Authentication Bypass Katello Enterprise Linux Server
NVD GitHub
EPSS 2% CVSS 10.0
CRITICAL Act Now

Condor before 7.8.2 allows remote attackers to bypass host-based authentication and execute actions such as ALLOW_ADMINISTRATOR or ALLOW_WRITE by connecting from a system with a spoofed reverse DNS. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Condor
NVD
EPSS 0% CVSS 4.3
MEDIUM POC This Month

The TRITON management console in Websense Web Security before 7.6 Hotfix 24 allows remote attackers to bypass authentication and read arbitrary reports via a crafted uid field, in conjunction with a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Authentication Bypass Websense Web Security
NVD
EPSS 6% CVSS 10.0
CRITICAL Act Now

McAfee SmartFilter Administration, and SmartFilter Administration Bess Edition, before 4.2.1.01 does not require authentication for access to the JBoss Remote Method Invocation (RMI) interface, which. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Authentication Bypass Smartfilter Administration
NVD
EPSS 0% CVSS 7.5
HIGH This Week

McAfee Email and Web Security (EWS) 5.5 through Patch 6 and 5.6 through Patch 3, and McAfee Email Gateway (MEG) 7.0.0 and 7.0.1, allows remote attackers to bypass authentication and obtain an admin. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Email And Web Security Email Gateway
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

McAfee Enterprise Mobility Manager (EMM) Agent before 4.8 and Server before 10.1 record all invalid usernames presented in failed login attempts, and place them on a list of accounts that an. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service Authentication Bypass Enterprise Mobility Manager +1
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, does not disable the server-side session token upon the closing. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Email And Web Security Email Gateway
NVD
EPSS 2% CVSS 10.0
CRITICAL Act Now

The Linux firmware image on (1) Korenix Jetport 5600 series serial-device servers and (2) ORing Industrial DIN-Rail serial-device servers has a hardcoded password of "password" for the root account,. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Jetport
NVD
EPSS 3% CVSS 7.1
HIGH This Week

The Samsung and HTC onTouchEvent method implementation for Android on the T-Mobile myTouch 3G Slide, HTC Merge, Sprint EVO Shift 4G, HTC ChaCha, AT&T Status, HTC Desire Z, T-Mobile G2, T-Mobile. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.

Samsung Google Authentication Bypass +9
NVD
EPSS 22% CVSS 4.0
MEDIUM POC THREAT This Month

hydra.exe in HP SAN/iQ before 9.5 on the HP Virtual SAN Appliance has a hardcoded password of L0CAlu53R for the global$agent account, which allows remote attackers to obtain access to a management. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 22.1%.

HP Authentication Bypass San Iq
NVD Exploit-DB
EPSS 0% CVSS 5.0
MEDIUM This Month

libsoup 2.32.2 and earlier does not validate certificates or clear the trust flag when the ssl-ca-file does not exist, which allows remote attackers to bypass authentication by connecting with a SSL. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Libsoup
NVD
EPSS 0% CVSS 5.0
MEDIUM PATCH This Month

Tridium Niagara AX Framework through 3.6 uses predictable values for (1) session IDs and (2) keys, which might allow remote attackers to bypass authentication via a brute-force attack. 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.

Authentication Bypass Niagara Ax
NVD
EPSS 0% CVSS 2.1
LOW POC PATCH Monitor

The Ubercart module 6.x-2.x before 6.x-2.8 and 7.x-3.x before 7.x-3.1 for Drupal stores passwords for new customers in plaintext during checkout, which allows local users to obtain sensitive. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. Public exploit code available.

Authentication Bypass Ubercart
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33286

MITRE ATT&CK

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