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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 1% CVSS 7.5
HIGH This Week

Use-after-free vulnerability in the WebSocketDispatcherHost::SendOrDrop function in content/browser/renderer_host/websocket_dispatcher_host.cc in the Web Sockets implementation in Google Chrome. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

Session fixation vulnerability in ownCloud before 6.0.2, when PHP is configured to accept session parameters through a GET request, allows remote attackers to hijack web sessions via unspecified. 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 Owncloud +1
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

Puppet Enterprise (PE) before 2.6.1 does not properly invalidate sessions when the session secret has changed, which allows remote authenticated users to retain access via unspecified vectors. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Puppet Enterprise Puppet
NVD VulDB
EPSS 0% CVSS 5.8
MEDIUM This Month

dyld in Apple iOS before 7.1 and Apple TV before 6.1 allows attackers to bypass code-signing requirements by leveraging use of text-relocation instructions in a dynamic library. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Tvos +1
NVD VulDB
EPSS 0% CVSS 5.8
MEDIUM This Month

The Configuration Profiles component in Apple iOS before 7.1 and Apple TV before 6.1 does not properly evaluate the expiration date of a mobile configuration profile, which allows attackers to bypass. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

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

Intelligent Automation for Cloud (IAC) in Cisco Cloud Portal 9.4.1 and earlier includes a cryptographic key in binary files, which makes it easier for remote attackers to obtain cleartext data from. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Cloud Portal
NVD VulDB
EPSS 6% CVSS 5.0
MEDIUM This Month

Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Samba Ubuntu Linux
NVD VulDB
EPSS 12% CVSS 5.4
MEDIUM This Month

The Security Account Manager Remote (SAMR) protocol implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable. Epss exploitation probability 12.5% and no vendor patch available.

Authentication Bypass Microsoft Windows Server 2003 +4
NVD VulDB
EPSS 0% CVSS 6.6
MEDIUM PATCH This Month

Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env_delete restriction, which allows local users with sudo permissions to bypass intended. Rated medium severity (CVSS 6.6).

Authentication Bypass Mac Os X Sudo
NVD VulDB
EPSS 4% CVSS 4.3
MEDIUM POC This Month

The Huawei E355 adapter with firmware 21.157.37.01.910 does not require authentication for API pages, which allows remote attackers to change passwords and settings, or obtain sensitive information,. Rated medium severity (CVSS 4.3). Public exploit code available and no vendor patch available.

Huawei Authentication Bypass E355 Firmware +1
NVD GitHub VulDB
EPSS 0% CVSS 5.0
MEDIUM This Month

Citrix NetScaler Application Delivery Controller (ADC) 9.3.x before 9.3-64.4, 10.0 before 10.0-77.5, and 10.1 before 10.1-118.7 logs user credentials, which allows attackers to obtain sensitive. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Citrix Authentication Bypass Netscaler Application Delivery Controller Firmware
NVD VulDB
EPSS 0% CVSS 4.9
MEDIUM This Month

usersfile.c in liboath in OATH Toolkit before 2.4.1 does not properly handle lines containing an invalid one-time-password (OTP) type and a user name in /etc/users.oath, which causes the wrong line. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Oath Toolkit
NVD VulDB
EPSS 0% CVSS 6.4
MEDIUM This Month

The master external node classification script in Puppet Enterprise before 3.2.0 does not verify the identity of consoles, which allows remote attackers to create arbitrary classifications on the. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Puppet Enterprise
NVD VulDB
EPSS 0% CVSS 7.8
HIGH This Week

The Foscam FI8910W camera with firmware before 11.37.2.55 allows remote attackers to obtain sensitive video and image data via a blank username and password. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Fi8919W Firmware Fi8919W
NVD VulDB
EPSS 0% CVSS 1.9
LOW Monitor

The Connect client in IBM Sametime 8.5.1, 8.5.1.1, 8.5.1.2, 8.5.2, 8.5.2.1, 9.0, and 9.0.0.1, when a certain com.ibm.collaboration.realtime.telephony.*.level setting is used, logs cleartext passwords. Rated low severity (CVSS 1.9). No vendor patch available.

IBM Authentication Bypass Sametime
NVD VulDB
EPSS 1% CVSS 10.0
CRITICAL Act Now

Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition in the status of the administrative HTTP server, which allows remote attackers. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Race Condition Apple +3
NVD VulDB
EPSS 29% 4.4 CVSS 10.0
CRITICAL POC PATCH THREAT Act Now

The web management interface on the Cisco RV110W firewall with firmware 1.2.0.9 and earlier, RV215W router with firmware 1.1.0.5 and earlier, and CVR100W router with firmware 1.0.1.19 and earlier. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 29.4%.

Cisco Authentication Bypass Rv110W Firmware +5
NVD Exploit-DB VulDB
EPSS 0% CVSS 2.7
LOW Monitor

EMC RSA Data Loss Prevention (DLP) 9.x before 9.6-SP2 does not properly manage sessions, which allows remote authenticated users to gain privileges and bypass intended content-reading restrictions. Rated low severity (CVSS 2.7), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Rsa Data Loss Prevention
NVD VulDB
EPSS 0% CVSS 6.4
MEDIUM POC This Month

A certain Apple patch for OpenSSL in Apple OS X 10.9.2 and earlier uses a Trust Evaluation Agent (TEA) feature without terminating certain TLS/SSL handshakes as specified in the SSL_CTX_set_verify. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

OpenSSL Apple Authentication Bypass +1
NVD
EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

Apache Cordova 3.3.0 and earlier and Adobe PhoneGap 2.9.0 and earlier do not anchor the end of domain-name regular expressions, which allows remote attackers to bypass a whitelist protection. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Adobe Apache Authentication Bypass +2
NVD
EPSS 2% CVSS 10.0
CRITICAL Act Now

TIBCO Enterprise Administrator 1.0.0 and Enterprise Administrator SDK 1.0.0 do not properly enforce administrative authentication requirements, which allows remote attackers to execute arbitrary. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Enterprise Administrator Enterprise Administrator Sdk
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Apple Type Services (ATS) in Apple OS X before 10.9.2 does not properly validate calls to the free function, which allows attackers to bypass the App Sandbox protection mechanism via crafted Mach. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

The Certificate Authority Proxy Function (CAPF) component in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier allows remote attackers to bypass authentication and modify. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Unified Communications Manager
NVD
EPSS 0% CVSS 5.0
MEDIUM PATCH This Month

The account-creation functionality in IBM Rational Focal Point 6.4.x and 6.5.x before 6.5.2.3 and 6.6.x before 6.6.1 places the new user's default password within the creation page, which allows. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

IBM Authentication Bypass Rational Focal Point
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Multiple unspecified vulnerabilities in Google Chrome before 33.0.1750.117 allow attackers to bypass the sandbox protection mechanism after obtaining renderer access, or have other impact, via. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

Race condition in the Phone Proxy component in Cisco Adaptive Security Appliance (ASA) Software 9.1(.3) and earlier allows remote attackers to bypass sec_db authentication and provide certain. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Cisco Authentication Bypass Adaptive Security Appliance Software
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The Phone Proxy component in Cisco Adaptive Security Appliance (ASA) Software 9.1(.3) and earlier allows remote attackers to bypass authentication and change trust relationships by injecting a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Cisco Authentication Bypass Adaptive Security Appliance Software
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The Cisco Unified IP Phone 7960G 9.2(1) and earlier allows remote attackers to bypass authentication and change trust relationships by injecting a Certificate Trust List (CTL) file, aka Bug ID. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Cisco Authentication Bypass Unified Ip Phone 7960G
NVD
EPSS 0% CVSS 9.3
CRITICAL Act Now

Cisco UCS Director (formerly Cloupia) before 4.0.0.3 has a hardcoded password for the root account, which makes it easier for remote attackers to obtain administrative access via an SSH session to. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Cisco Authentication Bypass Ucs Director
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The Enterprise License Manager (ELM) component in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier does not properly enforce authentication requirements, which allows remote. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Unified Communications Manager
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The Real Time Monitoring Tool (RTMT) web application in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier does not properly enforce authentication requirements, which allows. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Unified Communications Manager
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The (1) JSAFE and (2) JSSE APIs in EMC RSA BSAFE SSL-J 5.x before 5.1.3 and 6.x before 6.0.2 make it easier for remote attackers to bypass intended cryptographic protection mechanisms by triggering. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Bsafe Ssl J Rsa Bsafe Ssl J
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Iptables
NVD
EPSS 0% CVSS 2.6
LOW PATCH Monitor

OpenStack Image Registry and Delivery Service (Glance) 2013.2 through 2013.2.1 and Icehouse before icehouse-2 logs a URL containing the Swift store backend password when authentication fails and. Rated low severity (CVSS 2.6).

Authentication Bypass Image Registry And Delivery Service Glance
NVD
EPSS 0% CVSS 5.8
MEDIUM This Month

Red Hat JBoss Operations Network (JON) 3.0.x before 3.0.1, 2.4.2, and earlier, when LDAP authentication is enabled and the LDAP bind account credentials are invalid, allows remote attackers to login. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Red Hat Authentication Bypass Jboss Operations Network
NVD
EPSS 0% CVSS 5.8
MEDIUM This Month

Red Hat JBoss Operations Network (JON) before 2.4.2 and 3.0.x before 3.0.1 allows remote attackers to hijack agent sessions via an agent registration request without a security token. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Red Hat Authentication Bypass Jboss Operations Network
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

BlackBerry Enterprise Service 10 before 10.2.1, Universal Device Service 6, Enterprise Server Express for Domino through 5.0.4, Enterprise Server Express for Exchange through 5.0.4, Enterprise Server. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass Blackberry Enterprise Service +3
NVD
EPSS 2% CVSS 10.0
CRITICAL Act Now

An unspecified servlet in IBM Platform Symphony Developer Edition (DE) 5.2 and 6.1.x through 6.1.1 has hardcoded credentials, which allows remote attackers to bypass authentication and obtain "local. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Platform Symphony
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Cisco Unified Communications Manager (UCM) does not require authentication for reading WAR files, which allows remote attackers to obtain sensitive information via unspecified access to a "file. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Unified Communications Manager
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

The bulk administration interface in Cisco Unified Communications Manager (UCM) 10.0(1) and earlier allows remote attackers to bypass authentication and read arbitrary files by using an unspecified. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Unified Communications Manager
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

The log4jinit web application in Cisco Unified Communications Manager (UCM) does not properly validate authentication, which allows remote attackers to cause a denial of service (performance. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Cisco Authentication Bypass +1
NVD
EPSS 1% CVSS 4.3
MEDIUM POC PATCH This Month

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available.

Mozilla Authentication Bypass Firefox +12
NVD
EPSS 3% CVSS 7.5
HIGH POC This Week

Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allow remote attackers to bypass intended restrictions on window objects by leveraging. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Mozilla Authentication Bypass Firefox +16
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

The System Only Wrapper (SOW) implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 does not prevent certain cloning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Mozilla Authentication Bypass Firefox +16
NVD
EPSS 25% 4.1 CVSS 9.3
CRITICAL POC THREAT Emergency

The TELNET service on the ZTE ZXV10 W300 router 2.1.0 has a hardcoded password ending with airocon for the admin account, which allows remote attackers to obtain administrative access by leveraging. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 25.0%.

Zte Authentication Bypass Zxv10 W300
NVD Exploit-DB
EPSS 10% CVSS 7.8
HIGH POC This Week

cgi-bin/reboot.cgi on Seowon Intech SWC-9100 routers allows remote attackers to (1) cause a denial of service (reboot) via a default_reboot action or (2) reset all configuration values via a. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Authentication Bypass Swc 9100
NVD Exploit-DB
EPSS 4% CVSS 10.0
CRITICAL Act Now

The firmware on GateHouse; Harris BGAN RF-7800B-VU204 and BGAN RF-7800B-DU204; Hughes Network Systems 9201, 9450, and 9502; Inmarsat; Japan Radio JUE-250 and JUE-500; and Thuraya IP satellite. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RCE Authentication Bypass Gatehouse +8
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

The firmware on GateHouse; Harris BGAN RF-7800B-VU204 and BGAN RF-7800B-DU204; Hughes Network Systems 9201, 9450, and 9502; Inmarsat; Japan Radio JUE-250 and JUE-500; and Thuraya IP satellite. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Gatehouse Bgan +7
NVD
EPSS 1% CVSS 4.0
MEDIUM PATCH This Month

cURL and libcurl 7.10.6 through 7.34.0, when more than one authentication method is enabled, re-uses NTLM connections, which might allow context-dependent attackers to authenticate as other users via. 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 Libcurl Curl
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The Starbucks 2.6.1 application for iOS stores sensitive information in plaintext in the Crashlytics log file (/Library/Caches/com.crashlytics.data/com.starbucks.mystarbucks/session.clslog), which. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Apple Authentication Bypass Starbucks
NVD
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Authentication Bypass Centralauth Extension Mediawiki
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

The installUpdates function in yum-cron/yum-cron.py in yum 3.4.3 and earlier does not properly check the return value of the sigCheckPkg function, which allows remote attackers to bypass the RMP. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Yum
NVD
EPSS 15% 4.0 CVSS 10.0
CRITICAL POC THREAT Emergency

Franklin Fueling Systems TS-550 evo with firmware 2.0.0.6833 and other versions before 2.4.0 has a hardcoded password for the roleDiag account, which allows remote attackers to gain root privileges,. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 15.4%.

Authentication Bypass Ts 550 Evo Firmware Ts 550 Evo
NVD Exploit-DB
EPSS 10% CVSS 9.8
CRITICAL POC PATCH Act Now

The "remember me" functionality in login.php in Burden before 1.8.1 allows remote attackers to bypass authentication and gain privileges by setting the burden_user_rememberme cookie to 1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

PHP Authentication Bypass Burden
NVD Exploit-DB GitHub
EPSS 0% CVSS 3.2
LOW PATCH Monitor

The RPC protocol implementation in Apache Hadoop 2.x before 2.0.6-alpha, 0.23.x before 0.23.9, and 1.x before 1.2.1, when the Kerberos security features are enabled, allows man-in-the-middle. Rated low severity (CVSS 3.2). This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Apache Authentication Bypass Hadoop
NVD
EPSS 2% CVSS 6.8
MEDIUM This Month

Cisco Video Surveillance Operations Manager (VSOM) does not require authentication for MySQL database connections, which allows remote attackers to obtain sensitive information, modify data, or cause. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service Cisco Authentication Bypass +1
NVD
EPSS 2% CVSS 7.8
HIGH POC This Week

The Thecus NAS server N8800 with firmware 5.03.01 uses cleartext credentials for administrative authentication, which allows remote attackers to obtain sensitive information by sniffing the network. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass N8800 Nas Server Firmware N8800 Nas Server
NVD
EPSS 1% CVSS 7.8
HIGH POC This Week

The ADS/NT Support page on the Thecus NAS server N8800 with firmware 5.03.01 allows remote attackers to discover the administrator credentials by reading this page's cleartext content. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass N8800 Nas Server Firmware N8800 Nas Server
NVD
EPSS 0% CVSS 6.4
MEDIUM This Month

The Expressway component in Cisco TelePresence Video Communication Server (VCS) uses the same default X.509 certificate across different customers' installations, which makes it easier for remote. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Telepresence Video Communication Server
NVD
EPSS 0% CVSS 9.1
CRITICAL PATCH Act Now

Authorization bypass through user-controlled key issue exists in EC-CUBE 2.11.0 through 2.12.2 and EC-Orange systems deployed before June 29th, 2015. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Ec Cube
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

fpw.php in e107 through 1.0.4 does not check the user_ban field, which makes it easier for remote attackers to reset passwords by sending a pwsubmit request and leveraging access to the e-mail. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

PHP Authentication Bypass E107
NVD
EPSS 0% CVSS 7.2
HIGH This Week

Unspecified vulnerability in NVIDIA graphics driver Release 331, 325, 319, 310, and 304 allows local users to bypass intended access restrictions for the GPU and gain privileges via unknown vectors. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.

Nvidia Authentication Bypass Gpu Driver +1
NVD
EPSS 0% CVSS 2.1
LOW Monitor

The Risk Based Access functionality in IBM Tivoli Federated Identity Manager (TFIM) 6.2.2 before FP9 and Tivoli Federated Identity Manager Business Gateway (TFIMBG) 6.2.2 before FP9 does not prevent. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Tivoli Federated Identity Manager
NVD
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

lib/adminlib.php in Moodle through 2.3.11, 2.4.x before 2.4.8, 2.5.x before 2.5.4, and 2.6.x before 2.6.1 logs cleartext passwords, which allows remote authenticated administrators to obtain. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity.

PHP Authentication Bypass Moodle
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge platforms, does not properly generate random numbers for (1). Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable. No vendor patch available.

OpenSSL Intel Authentication Bypass +1
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

The web portal in the Enterprise License Manager component in Cisco WebEx Meetings Server allows remote authenticated users to discover the cleartext administrative password by reading HTML source. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Webex Meetings Server
NVD
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

The OneClickSigninBubbleView::WindowClosing function in browser/ui/views/sync/one_click_signin_bubble_view.cc in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Google Microsoft Authentication Bypass +3
NVD
EPSS 0% CVSS 10.0
CRITICAL Act Now

The Sierra Wireless AirLink Raven X EV-DO gateway 4221_4.0.11.003 and 4228_4.0.11.003 allows remote attackers to reprogram the firmware via a replay attack using UDP ports 17336 and 17388. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Raven X Ev Do Firmware Airlink Mp At T +17
NVD
EPSS 0% CVSS 9.3
CRITICAL Act Now

The Sierra Wireless AirLink Raven X EV-DO gateway 4221_4.0.11.003 and 4228_4.0.11.003 allows remote attackers to install Trojan horse firmware by leveraging cleartext credentials in a crafted (1). Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Raven X Ev Do Firmware Airlink Mp At T +17
NVD
EPSS 0% CVSS 4.8
MEDIUM PATCH This Month

memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Memcached
NVD
EPSS 0% CVSS 3.5
LOW Monitor

VASCO IDENTIKEY Authentication Server (IAS) 3.4.x allows remote authenticated users to bypass Active Directory (AD) authentication by entering only a DIGIPASS one-time password, instead of the. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Identikey Authentication Server
NVD
EPSS 0% CVSS 7.8
HIGH POC This Week

The Conceptronic C54APM access point with runtime code 1.26 has a default password of admin for the admin account, which makes it easier for remote attackers to obtain access via an HTTP request, as. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Authentication Bypass C54Apm Firmware +1
NVD
EPSS 0% CVSS 7.4
HIGH This Week

The Management Console in Symantec Endpoint Protection (SEP) 11.x before 11.0.7.4 and 12.x before 12.1.2 RU2 and Endpoint Protection Small Business Edition 12.x before 12.1.2 RU2 does not properly. Rated high severity (CVSS 7.4). No vendor patch available.

Authentication Bypass Endpoint Protection
NVD
EPSS 4% CVSS 10.0
CRITICAL POC Act Now

The management web interface on the Nisuta NS-WIR150NE router with firmware 5.07.41 and Nisuta NS-WIR300N router with firmware 5.07.36_NIS01 allows remote attackers to bypass authentication via a. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Ns Wir150Ne Firmware Ns Wir150Ne +2
NVD Exploit-DB
EPSS 0% CVSS 6.4
MEDIUM This Month

IBM Atlas eDiscovery Process Management 6.0.1.5 and earlier and 6.0.2, Disposal and Governance Management for IT 6.0.1.5 and earlier and 6.0.2, and Global Retention Policy and Schedule Management. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass IBM Atlas Ediscovery Process Management +3
NVD
EPSS 30% 4.4 CVSS 10.0
CRITICAL POC THREAT Emergency

The write-blocker in CRU Ditto Forensic FieldStation with firmware before 2013Oct15a has a default "ditto" username and password, which allows remote attackers to gain privileges. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 30.1%.

Authentication Bypass Ditto Forensic Fieldstation Firmware Ditto Forensic Fieldstation
NVD Exploit-DB
EPSS 1% CVSS 5.8
MEDIUM POC This Month

The HOT HOTBOX router with software 2.1.11 allows remote attackers to bypass authentication by configuring a source IP address that had previously been used for an authenticated session. Rated medium severity (CVSS 5.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Hotbox Router Firmware Hotbox Router
NVD Exploit-DB
EPSS 1% CVSS 3.3
LOW POC Monitor

The HOT HOTBOX router with software 2.1.11 has a default WPS PIN of 12345670, which makes it easier for remote attackers to obtain the WPA or WPA2 pre-shared key via EAP messages. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Hotbox Router Firmware Hotbox Router
NVD Exploit-DB
EPSS 0% CVSS 5.8
MEDIUM This Month

Cybozu Garoon 3.5 through 3.7 SP2 allows remote attackers to bypass Keitai authentication via a modified user ID in a request. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Garoon
NVD
EPSS 0% CVSS 5.4
MEDIUM This Month

The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable. No vendor patch available.

Apple Cisco Authentication Bypass +1
NVD
EPSS 11% CVSS 5.0
MEDIUM POC THREAT This Month

denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 11.0%.

Denial Of Service Authentication Bypass Debian Linux +2
NVD Exploit-DB
EPSS 0% CVSS 9.3
CRITICAL Act Now

Candlepin in Red Hat Subscription Asset Manager 1.0 through 1.3 uses a weak authentication scheme when the configuration file does not specify a scheme, which has unspecified impact and attack. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Red Hat Authentication Bypass Subscription Asset Manager
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Leed (Light Feed), possibly before 1.5 Stable, allows remote attackers to bypass authorization via vectors related to the (1) importForm, (2) importFeed, (3) addFavorite, or (4) removeFavorite. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP Authentication Bypass Leed
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

IBM Sterling B2B Integrator 5.2 and Sterling File Gateway 2.2 do not invalidate a session upon a logout action, which allows remote attackers to bypass authentication by leveraging an unattended. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Sterling B2b Integrator +1
NVD
EPSS 0% CVSS 2.1
LOW PATCH Monitor

GnuPG 1.x before 1.4.16 generates RSA keys using sequences of introductions with certain patterns that introduce a side channel, which allows physically proximate attackers to extract RSA keys via a. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity.

Authentication Bypass Gnupg
NVD
EPSS 0% CVSS 4.9
MEDIUM This Month

Session fixation vulnerability in IBM InfoSphere Master Data Management - Collaborative Edition 10.x before 10.1 IF5 and 11.0 before IF1 and InfoSphere Master Data Management Server for Product. Rated medium severity (CVSS 4.9). No vendor patch available.

IBM Authentication Bypass Infosphere Master Data Management Collaboration Server +1
NVD
EPSS 0% CVSS 7.8
HIGH POC This Week

D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, DSR-500N, DSR-1000, and DSR-1000N with firmware. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

D-Link Authentication Bypass Dsr 500 Firmware +14
NVD Exploit-DB
EPSS 0% CVSS 8.0
HIGH This Week

The integrated HTTPS server in Siemens RuggedCom ROS before 3.12.2 allows remote authenticated users to bypass intended restrictions on administrative actions by leveraging access to a (1) guest or. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Siemens Authentication Bypass Ruggedcom Rugged Operating System
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

Session fixation vulnerability in IBM Cognos Command Center before 10.2 allows remote attackers to hijack web sessions via an authorization cookie. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Cognos Command Center
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The user.login function in Zabbix before 1.8.16 and 2.x before 2.0.5rc1 allows remote attackers to override LDAP configuration via the cnf parameter. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zabbix
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33286

MITRE ATT&CK

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