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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 (33282)

EPSS 0% CVSS 2.1
LOW POC Monitor

The vdso_addr function in arch/x86/vdso/vma.c in the Linux kernel through 3.18.2 does not properly choose memory locations for the vDSO area, which makes it easier for local users to bypass the ASLR. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Linux Authentication Bypass Linux Kernel +18
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The play/modules component in Cisco WebEx Meetings Server allows remote attackers to obtain administrator access via crafted API requests, aka Bug ID CSCuj40421. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Webex Meetings Server
NVD
EPSS 0% CVSS 5.0
MEDIUM POC This Month

VDG Security SENSE (formerly DIVA) 2.3.13 performs authentication with a password hash instead of a password, which allows remote attackers to gain login access by leveraging knowledge of a 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 Vdg Sense
NVD
EPSS 12% CVSS 4.3
MEDIUM PATCH This Month

mod_lua.c in the mod_lua module in the Apache HTTP Server 2.3.x and 2.4.x through 2.4.10 does not support an httpd configuration in which the same Lua authorization provider is used with different. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Epss exploitation probability 11.7%.

Apache Authentication Bypass Http Server +4
NVD GitHub
EPSS 0% CVSS 5.0
MEDIUM This Month

Plogger 1.0 RC1 and earlier, when the Lucid theme is used, does not assign new values for certain codes, which makes it easier for remote attackers to bypass the CAPTCHA protection mechanism via a. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

The update function in umbraco.webservices/templates/templateService.cs in the TemplateService component in Umbraco CMS before 6.0.4 does not require authentication, which allows remote attackers to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Umbraco Cms
NVD
EPSS 0% CVSS 5.0
MEDIUM POC This Month

The Maxthon Cloud Browser application before 4.1.6.2000 for Android allows remote attackers to spoof the address bar via crafted JavaScript code that uses the history API. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Google Authentication Bypass Maxthon Cloud Browser
NVD
EPSS 0% CVSS 5.8
MEDIUM PATCH This Month

The Crumb plugin before 3.0.0 for Node.js does not properly restrict token access in situations where a hapi route handler has CORS enabled, which allows remote attackers to obtain sensitive. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable.

Node.js Authentication Bypass Hapi Crumb
NVD GitHub
EPSS 8% CVSS 7.5
HIGH POC This Week

BKBCopyD.exe in the Batch Management Packages in Yokogawa CENTUM CS 3000 through R3.09.50 and CENTUM VP through R4.03.00 and R5.x through R5.04.00, and Exaopc through R3.72.10, does not require. 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 Exaopc Centum Cs 3000 +1
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

The Collaboration Server in IBM InfoSphere Master Data Management Server for Product Information Management 9.x through 9.1 and InfoSphere Master Data Management - Collaborative Edition 10.x through. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Infosphere Master Data Management Server For Product Information Management +1
NVD
EPSS 0% CVSS 5.0
MEDIUM PATCH This Month

Password Generator (aka Pwgen) before 2.07 generates weak non-tty passwords, which makes it easier for context-dependent attackers to guess the password via a brute-force attack. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

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

IBM Security Access Manager for Mobile 8.x before 8.0.1 and Security Access Manager for Web 7.x before 7.0.0 FP10 and 8.x before 8.0.1 do not have a lockout period after invalid login attempts, which. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Security Access Manager For Mobile +1
NVD
EPSS 2% CVSS 10.0
CRITICAL Act Now

ARRIS Touchstone TG862G/CT Telephony Gateway with firmware 7.6.59S.CT and earlier has a default password of password for the admin account, which makes it easier for remote attackers to obtain access. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

PHP Authentication Bypass Touchstone Tg862G Ct Firmware
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

bug_report.php in MantisBT before 1.2.18 allows remote attackers to assign arbitrary issues via the handler_id parameter. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

The Disaster Recovery (DRA) feature on the Cisco ISB8320-E High-Definition IP-Only DVR allows remote attackers to bypass authentication by establishing a TELNET session during a recovery boot, aka. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Cisco Authentication Bypass Isb8320 E High Definition Ip Only Dvr
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Zenoss Core through 5 Beta 3 uses a weak algorithm to hash passwords, which makes it easier for context-dependent attackers to obtain cleartext values via a brute-force attack on hash values in the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zenoss Core
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

Zenoss Core through 5 Beta 3 does not require complex passwords, which makes it easier for remote attackers to obtain access via a brute-force attack, aka ZEN-15406. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zenoss Core
NVD
EPSS 0% CVSS 3.3
LOW POC PATCH Monitor

The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enabled setting for KVM guest kernels, which makes it easier for guest OS users to. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Linux Authentication Bypass Linux Kernel +4
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The structured-clone implementation in Mozilla Firefox before 34.0 and SeaMonkey before 2.31 does not properly interact with XrayWrapper property filtering, which allows remote attackers to bypass. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox +1
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 34.0 and SeaMonkey before 2.31 supports native-interface passing, which allows remote attackers to bypass intended DOM object. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Google Authentication Bypass +3
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

Mozilla Firefox before 34.0 and SeaMonkey before 2.31 provide stylesheets with an incorrect primary namespace, which allows remote attackers to bypass intended access restrictions via an XBL binding. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox +1
NVD
EPSS 8% CVSS 4.3
MEDIUM This Month

Microsoft Internet Explorer 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability.". Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Microsoft Internet Explorer
NVD
EPSS 5% CVSS 5.0
MEDIUM This Month

Outlook Web App (OWA) in Microsoft Exchange Server 2007 SP3, 2010 SP3, and 2013 SP1 and Cumulative Update 6 does not properly validate tokens in requests, which allows remote attackers to spoof the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass Exchange Server
NVD
EPSS 0% CVSS 8.5
HIGH PATCH This Week

HP HP-UX B.11.11, B.11.23, and B.11.31, when the PAM configuration includes libpam_updbe, allows remote authenticated users to bypass authentication, and consequently execute arbitrary code, via. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

HP RCE Authentication Bypass +1
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

WebKit in Apple Safari before 6.2.1, 7.x before 7.1.1, and 8.x before 8.0.1 allows remote attackers to bypass the Same Origin Policy via crafted Cascading Style Sheets (CSS) token sequences within an. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Authentication Bypass Tvos +2
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Apache CloudStack 4.3.x before 4.3.2 and 4.4.x before 4.4.2 allows remote attackers to bypass authentication via a login request without a password, which triggers an unauthenticated bind. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apache Authentication Bypass Cloudstack
NVD
EPSS 2% CVSS 10.0
CRITICAL POC Act Now

Digicom DG-5514T ADSL router with firmware 3.2 generates predictable session IDs, which allows remote attackers to gain administrator privileges via a brute force session hijacking attack. 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 Dg 5514T Adsl Router Firmware
NVD
EPSS 1% CVSS 5.0
MEDIUM POC This Month

Graylog2 before 0.92 allows remote attackers to bypass LDAP authentication via crafted wildcards. 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 Graylog2
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

RSA Adaptive Authentication (On-Premise) 6.0.2.1 through 7.1 P3, when using device binding in a Challenge SOAP call or using the RSA Adaptive Authentication Integration Adapters with Out-of-Band. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Rsa Adaptive Authentication On Premise
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

MantisBT before 1.2.18 uses the public_key parameter value as the key to the CAPTCHA answer, which allows remote attackers to bypass the CAPTCHA protection mechanism by leveraging knowledge of a. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Mantisbt
NVD GitHub
EPSS 0% CVSS 4.0
MEDIUM This Month

The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environment, allows remote authenticated users to log in as another user when they are listed in. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Red Hat SSH Authentication Bypass +1
NVD
EPSS 7% CVSS 5.0
MEDIUM POC This Month

ZTE ZXDSL 831CII allows remote attackers to bypass authentication via a direct request to (1) main.cgi, (2) adminpasswd.cgi, (3) userpasswd.cgi, (4) upload.cgi, (5) conprocess.cgi, or (6) connect.cgi. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Zte Authentication Bypass Zxdsl
NVD
EPSS 5% CVSS 10.0
CRITICAL Act Now

ZTE ZXDSL 831CII has a default password of admin for the admin account, which allows remote attackers to gain administrator privileges. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Zte Authentication Bypass Zxdsl
NVD
EPSS 0% CVSS 6.4
MEDIUM This Month

IBM Java Runtime Environment (JRE) 7 R1 before SR1 FP1 (7.1.1.1), 7 before SR7 FP1 (7.0.7.1), 6 R1 before SR8 FP1 (6.1.8.1), 6 before SR16 FP1 (6.0.16.1), and before 5.0 SR16 FP7 (5.0.16.7) allows. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Java Authentication Bypass
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The _user_resource_create function in the Services module 7.x-3.x before 7.x-3.10 for Drupal uses a password of 1 when creating new user accounts, which makes it easier for remote attackers to guess. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Services
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The Services module 7.x-3.x before 7.x-3.10 for Drupal does not properly limit the rate of authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Services
NVD
EPSS 2% CVSS 6.4
MEDIUM PATCH This Month

Race condition in the MoveFileEx call hook feature in Adobe Reader and Acrobat 11.x before 11.0.09 on Windows allows attackers to bypass a sandbox protection mechanism, and consequently write to. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity.

Adobe Race Condition Authentication Bypass +3
NVD
EPSS 54% 4.7 CVSS 7.8
HIGH POC THREAT Act Now

ARRIS VAP2500 before FW08.41 does not properly validate passwords, which allows remote attackers to bypass authentication. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 53.5%.

Authentication Bypass Vap2500 Firmware
NVD Exploit-DB
EPSS 0% CVSS 5.8
MEDIUM PATCH This Month

IBM Security QRadar SIEM and QRadar Risk Manager 7.1 before MR2 Patch 9 and 7.2 before 7.2.4 Patch 1, and QRadar Vulnerability Manager 7.2 before 7.2.4 Patch 1, allow remote attackers to hijack. 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.

IBM Authentication Bypass Qradar Risk Manager +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

The generate_password function in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide a sufficient number of possible temporary passwords, which. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Moodle
NVD
EPSS 0% CVSS 5.0
MEDIUM POC This Month

Monstra 3.0.1 and earlier uses a cookie to track how many login attempts have been attempted, which allows remote attackers to conduct brute force login attacks by deleting the login_attempts cookie. 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 Monstra
NVD
EPSS 1% CVSS 9.0
CRITICAL Act Now

Aruba Networks ClearPass before 6.3.5 and 6.4.x before 6.4.1 allows remote attackers to execute arbitrary commands via unspecified vectors, a different vulnerability than CVE-2014-5342. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Aruba Authentication Bypass Clearpass
NVD
EPSS 4% CVSS 10.0
CRITICAL Act Now

Aruba Networks ClearPass before 6.3.6 and 6.4.x before 6.4.1 does not properly restrict access to unspecified administrative functions, which allows remote attackers to bypass authentication and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Aruba Authentication Bypass Clearpass
NVD
EPSS 0% CVSS 9.0
CRITICAL Act Now

The Policy Manager in Aruba Networks ClearPass before 6.3.6 and 6.4.x before 6.4.1 allows remote authenticated users to gain privileges via unspecified vectors. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Aruba Authentication Bypass Clearpass
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

Google Chrome before 39.0.2171.65 on Android does not prevent navigation to a URL in cases where an intent for the URL lacks CATEGORY_BROWSABLE, which allows remote attackers to bypass intended. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

cURL and libcurl before 7.38.0 allow remote attackers to bypass the Same Origin Policy and set cookies for arbitrary sites by setting a cookie for a top-level domain. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Curl Libcurl +1
NVD
EPSS 0% CVSS 2.1
LOW Monitor

IBM Security Identity Manager 6.x before 6.0.0.3 IF14 does not properly perform logout actions, which allows remote attackers to access sessions by leveraging an unattended workstation. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

IBM Authentication Bypass Security Identity Manager
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

IBM Security Identity Manager 6.x before 6.0.0.3 IF14 allows remote attackers to discover cleartext passwords via a crafted request. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Security Identity Manager
NVD
EPSS 0% CVSS 3.5
LOW PATCH Monitor

Apache Hive before 0.13.1, when in SQL standards based authorization mode, does not properly check the file permissions for (1) import and (2) export statements, which allows remote authenticated. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable.

Apache Authentication Bypass Hive
NVD
EPSS 0% CVSS 3.3
LOW Monitor

Race condition in the _get_masked_mode function in Lib/os.py in Python 3.2 through 3.5, when exist_ok is set to true and multiple threads are used, might allow local users to bypass intended file. Rated low severity (CVSS 3.3). No vendor patch available.

Race Condition Python Authentication Bypass
NVD
EPSS 2% CVSS 4.3
MEDIUM This Month

Apache Cordova Android before 3.5.1 allows remote attackers to bypass the HTTP whitelist and connect to arbitrary servers by using JavaScript to open WebSocket connections through WebView. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

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

The virDomainGetXMLDesc API in Libvirt before 1.2.11 allows remote read-only users to obtain the VNC password by using the VIR_DOMAIN_XML_MIGRATABLE flag, which triggers the use of the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Libvirt
NVD
EPSS 32% CVSS 4.3
MEDIUM PATCH This Month

The audit logon feature in Remote Desktop Protocol (RDP) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2,. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Epss exploitation probability 31.6%.

Microsoft Authentication Bypass Windows 7 +7
NVD
EPSS 51% 4.6 CVSS 7.8
HIGH KEV PATCH THREAT Act Now

Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Office 2007 SP3, when IMJPDCT.EXE (aka IME for Japanese) is installed, allow remote. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and EPSS exploitation probability 50.8%.

Authentication Bypass Microsoft
NVD VulDB
EPSS 16% 4.0 CVSS 10.0
CRITICAL POC THREAT Emergency

The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH have a default password of (1) admin for the admin account and (2) compalbn for the. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 15.6%.

Authentication Bypass Firmware Cg6640E Wireless Gateway +1
NVD Exploit-DB
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

CA Cloud Service Management (CSM) before Summer 2014 does not properly verify authentication tokens from an Identity Provider, which allows user-assisted remote attackers to bypass intended access. 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 Cloud Service Management
NVD
EPSS 0% CVSS 3.5
LOW PATCH Monitor

IBM Tivoli Application Dependency Discovery Manager (TADDM) 7.2.0.0 through 7.2.0.10, 7.2.1.0 through 7.2.1.6, and 7.2.2.0 through 7.2.2.2 does not require TADDM authentication for rptdesign. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

IBM Authentication Bypass Tivoli Application Dependency Discovery Manager
NVD
EPSS 2% CVSS 5.0
MEDIUM PATCH This Month

Apache WSS4J before 1.6.17 and 2.x before 2.0.2, as used in Apache CXF 2.7.x before 2.7.13 and 3.0.x before 3.0.2, when using TransportBinding, does not properly enforce the SAML SubjectConfirmation. 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 Wss4J +1
NVD
EPSS 0% CVSS 4.6
MEDIUM This Month

McAfee Network Data Loss Prevention (NDLP) before 9.2.2 allows local users to bypass intended restriction on unspecified functionality via unknown vectors. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Network Data Loss Prevention
NVD
EPSS 0% CVSS 3.6
LOW Monitor

McAfee Network Data Loss Prevention (NDLP) before 9.3 allows local users to obtain sensitive information and affect integrity via vectors related to a "plain text password.". Rated low severity (CVSS 3.6), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Network Data Loss Prevention
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The MySQL database in McAfee Network Data Loss Prevention (NDLP) before 9.3 does not require a password, which makes it easier for remote attackers to obtain access. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Network Data Loss Prevention
NVD
EPSS 0% CVSS 2.1
LOW PATCH Monitor

The (1) Removable Media and (2) CD and DVD encryption offsite access options (formerly Endpoint Encryption for Removable Media or EERM) in McAfee File and Removable Media Protection (FRP) 4.3.0.x,. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity.

Authentication Bypass Endpoint Encryption For Files And Folders File And Removable Media Protection
NVD
EPSS 0% CVSS 6.5
MEDIUM POC PATCH This Month

OpenStack Identity (Keystone) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated trustees to gain access to an unauthorized project for which the trustor has. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

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

The Change Password feature in IBM Sterling B2B Integrator 5.2.x through 5.2.4 does not have a lockout protection mechanism for invalid login requests, 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.

IBM Authentication Bypass Sterling B2b Integrator
NVD
EPSS 0% CVSS 4.3
MEDIUM PATCH This Month

The Payment for Webform module 7.x-1.x before 7.x-1.5 for Drupal does not restrict access by anonymous users, which allows remote anonymous users to use the payment of other anonymous users when. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Payment For Webform
NVD
EPSS 1% CVSS 4.3
MEDIUM POC This Month

WP-Ban plugin before 1.6.4 for WordPress, when running in certain configurations, allows remote attackers to bypass the IP blacklist via a crafted X-Forwarded-For header. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

WordPress Authentication Bypass Wp Ban
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a user name and password starting with a null (\0). Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Mageia Dokuwiki
NVD GitHub
EPSS 1% CVSS 5.0
MEDIUM This Month

DokuWiki before 2014-05-05b, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a password starting with a null (\0) character and a valid user. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Dokuwiki Mageia
NVD GitHub
EPSS 1% CVSS 5.0
MEDIUM PATCH This Month

The (1) Zend_Ldap class in Zend before 1.12.9 and (2) Zend\Ldap component in Zend 2.x before 2.2.8 and 2.3.x before 2.3.3 allows remote attackers to bypass authentication via a password starting with. 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 Zend Framework
NVD
EPSS 0% CVSS 5.0
MEDIUM POC This Month

gpc_api.php in MantisBT 1.2.17 and earlier allows remote attackers to bypass authenticated via a password starting will a null byte, which triggers an unauthenticated bind. 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 Mantisbt
NVD
EPSS 0% CVSS 1.9
LOW Monitor

The QuickType feature in the Keyboards subsystem in Apple iOS before 8.1 collects typing-prediction data from fields with an off autocomplete attribute, which makes it easier for attackers to. Rated low severity (CVSS 1.9). No vendor patch available.

Apple Authentication Bypass Iphone Os
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

Schrack Technik microControl with firmware before 1.7.0 (937) stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain access data for. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Technik Microcontrol Firmware Technik Microcontrol
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The Telemetry Component in WebSphere MQ 8.0.0.1 before p000-001-L140910 allows remote attackers to bypass authentication by setting the JAASConfig property in an MQTT client configuration. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

IBM Authentication Bypass Websphere Mq
NVD
EPSS 0% CVSS 1.9
LOW Monitor

CareFusion Pyxis SupplyStation 8.1 with hardware test tool before 1.0.16 allows local users to obtain potentially sensitive information by reading a temporary (1) debugging file or (2) developer file. Rated low severity (CVSS 1.9). No vendor patch available.

Authentication Bypass Pyxis Supplystation
NVD
EPSS 0% CVSS 9.7
CRITICAL Act Now

CareFusion Pyxis SupplyStation 8.1 with hardware test tool before 1.0.16 has a hardcoded service password, which makes it easier for remote attackers to obtain access via unspecified vectors. Rated critical severity (CVSS 9.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Pyxis Supplystation
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

CareFusion Pyxis SupplyStation 8.1 with hardware test tool 1.0.16 and earlier has a hardcoded database password, which makes it easier for local users to gain privileges by leveraging cabinet access. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Pyxis Supplystation
NVD
EPSS 0% CVSS 3.5
LOW Monitor

CareFusion Pyxis SupplyStation 8.1 with hardware test tool before 1.0.16 has a hardcoded application password, which makes it easier for remote authenticated users to obtain application-file access. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Pyxis Supplystation
NVD
EPSS 0% CVSS 1.9
LOW Monitor

IBM WebSphere MQ classes for Java libraries 8.0 before 8.0.0.1 and Websphere MQ Explorer 7.5 before 7.5.0.5 and 8.0 before 8.0.0.2 allow local users to discover preconfigured cleartext passwords via. Rated low severity (CVSS 1.9). No vendor patch available.

IBM Java Authentication Bypass +2
NVD
EPSS 3% CVSS 4.3
MEDIUM This Month

OpenSSL before 0.9.8zc, 1.0.0 before 1.0.0o, and 1.0.1 before 1.0.1j does not properly enforce the no-ssl3 build option, which allows remote attackers to bypass intended access restrictions via an. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

OpenSSL Authentication Bypass
NVD
EPSS 0% CVSS 4.4
MEDIUM This Month

SecurityAgent in Apple OS X before 10.10 does not ensure that a Kerberos ticket is in the cache for the correct user, which allows local users to gain privileges in opportunistic circumstances by. Rated medium severity (CVSS 4.4). No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 0% CVSS 4.4
MEDIUM This Month

The "iCloud Find My Mac" feature in Apple OS X before 10.10 does not properly enforce rate limiting of lost-mode PIN entry, which makes it easier for physically proximate attackers to obtain access. Rated medium severity (CVSS 4.4). No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 0% CVSS 4.6
MEDIUM This Month

CFPreferences in Apple OS X before 10.10 does not properly enforce the "require password after sleep or screen saver begins" setting, which makes it easier for physically proximate attackers to. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.

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

The Code Signing feature in Apple OS X before 10.10 does not properly handle incomplete resource envelopes in signed bundles, which allows remote attackers to bypass intended app-author restrictions. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

OpenStack Object Storage (Swift) before 2.2.0 allows remote authenticated users to bypass the max_meta_count and other metadata constraints via multiple crafted requests which exceed the limit when. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Swift
NVD
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

Session fixation vulnerability in Jenkins before 1.551 and LTS before 1.532.2 allows remote attackers to hijack web sessions via vectors involving the "override" of Jenkins cookies. 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.

Jenkins Authentication Bypass
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Jenkins before 1.551 and LTS before 1.532.2 does not invalidate the API token when a user is deleted, which allows remote authenticated users to retain access via the token. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Jenkins Authentication Bypass
NVD GitHub
EPSS 7% CVSS 9.3
CRITICAL POC Act Now

The rsync daemon in F5 BIG-IP 11.6 before 11.6.0, 11.5.1 before HF3, 11.5.0 before HF4, 11.4.1 before HF4, 11.4.0 before HF7, 11.3.0 before HF9, and 11.2.1 before HF11 and Enterprise Manager 3.x. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Authentication Bypass Arx Big Ip Access Policy Manager +17
NVD Exploit-DB
EPSS 1% CVSS 4.3
MEDIUM This Month

The Public Key Pinning (PKP) implementation in Mozilla Firefox before 33.0 skips pinning checks upon an unspecified issuer-verification error, which makes it easier for remote attackers to bypass an. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

The Public Key Pinning (PKP) implementation in Mozilla Firefox before 33.0 does not properly consider the connection-coalescing behavior of SPDY and HTTP/2 in the case of a shared IP address, which. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

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

Juniper Junos 11.4 before R12, 12.1 before R10, 12.1X44 before D35, 12.1X45 before D25, 12.1X46 before D20, 12.1X47 before D10, 12.2 before R8, 12.2X50 before D70, 12.3 before R6, 13.1 before R4-S3,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Juniper Authentication Bypass Junos
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33282

MITRE ATT&CK

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