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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 (33262)

EPSS 0% CVSS 5.0
MEDIUM This Month

Cisco IOS 15.2(04)M6 and 15.4(03)S lets physical-interface ACLs supersede tunnel-interface ACLs, which allows remote attackers to bypass intended network-traffic restrictions in opportunistic. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

The DB service in IBM System Networking Switch Center (SNSC) before 7.3.1.5 and Lenovo Switch Center before 8.1.2.0 allows remote attackers to obtain sensitive administrator-account information via a. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Lenovo Authentication Bypass +2
NVD
EPSS 0% CVSS 2.1
LOW PATCH Monitor

The kernel 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, Windows RT Gold and 8.1, and Windows 10 Gold and. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows 10 +8
NVD
EPSS 5% CVSS 4.9
MEDIUM PATCH This Month

Kerberos 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, Windows RT Gold and 8.1, and Windows 10 Gold and. Rated medium severity (CVSS 4.9), this vulnerability is low attack complexity.

Microsoft Authentication Bypass Windows 10 +6
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The PDF viewer in Google Chrome before 46.0.2490.86 does not properly restrict scripting messages and API exposure, which allows remote attackers to bypass the Same Origin Policy via an unintended. 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 3.5
LOW PATCH Monitor

The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable.

Denial Of Service Authentication Bypass Mediawiki
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

IBM Maximo Asset Management 7.1 through 7.1.1.13, 7.5.0 before 7.5.0.9 FP009, and 7.6.0 before 7.6.0.2 IFIX001; Maximo Asset Management 7.5.0 before 7.5.0.9 FP009, 7.5.1, and 7.6.0 before 7.6.0.2. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Change And Configuration Management Database +10
NVD
EPSS 0% CVSS 4.0
MEDIUM This Month

IBM Maximo Asset Management 7.1 through 7.1.1.13, 7.5.0 before 7.5.0.8 IFIX005, and 7.6.0 before 7.6.0.2 FP002; Maximo Asset Management 7.5.0 before 7.5.0.8 IFIX005, 7.5.1, and 7.6.0 before 7.6.0.2. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

IBM Authentication Bypass Change And Configuration Management Database +10
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

The Login Disable module 6.x-1.x before 6.x-1.1 and 7.x-1.x before 7.x-1.2 for Drupal does not properly load the user_logout function, which allows remote attackers to bypass the logout protection. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Login Disable
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

The default configuration of sshd_config in Cisco Mobility Services Engine (MSE) through 8.0.120.7 allows logins by the oracle account, which makes it easier for remote attackers to obtain access by. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Oracle Cisco Authentication Bypass +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly follow the CORS cross-origin request algorithm for the POST method in situations involving an unspecified Content-Type header. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Mozilla Authentication Bypass Firefox
NVD
EPSS 4% CVSS 7.5
HIGH PATCH This Week

The default configuration of the server in MobaXterm before 8.3 has a disabled Access Control setting and consequently does not require authentication for X11 connections, which allows remote. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

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

The vertica-udx-zygote process in HP Vertica 7.1.1 UDx does not require authentication, which allows remote attackers to execute arbitrary commands via a crafted packet, aka ZDI-CAN-2914. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

HP Authentication Bypass Vertica
NVD
EPSS 0% CVSS 9.3
CRITICAL Act Now

Qolsys IQ Panel (aka QOL) before 1.5.1 does not verify the digital signatures of software updates, which allows man-in-the-middle attackers to bypass intended access restrictions via a modified. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Iq Panel
NVD
EPSS 1% CVSS 9.3
CRITICAL Act Now

Qolsys IQ Panel (aka QOL) before 1.5.1 has hardcoded cryptographic keys, which allows remote attackers to create digital signatures for code by leveraging knowledge of a key from a different. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Iq Panel
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The com_content component in Joomla!. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Joomla
NVD
EPSS 2% CVSS 5.0
MEDIUM PATCH This Month

OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply security group changes, which allows remote attackers to bypass intended restriction by. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

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

IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0.0 through 7.0.0.2 CF29, 8.0.0 through 8.0.0.1 CF18, and 8.5.0 before CF08 improperly restricts resource access, which. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

IBM Authentication Bypass Websphere Portal
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

The debug interface on Janitza UMG 508, 509, 511, 604, and 605 devices does not require authentication, which allows remote attackers to read or write to files, or execute arbitrary JASIC code, via a. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Umg 508 Umg 509 +3
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

The FTP service on Janitza UMG 508, 509, 511, 604, and 605 devices has a default password, which makes it easier for remote attackers to read or write to files via a session on TCP port 21. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Umg 508 Umg 509 +3
NVD
EPSS 0% CVSS 3.5
LOW PATCH Monitor

Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable.

Race Condition Authentication Bypass Neutron
NVD VulDB
EPSS 0% CVSS 3.5
LOW PATCH Monitor

The Colorbox module 7.x-2.x before 7.x-2.10 for Drupal allows remote authenticated users with certain permissions to bypass intended access restrictions and "add unexpected content to a Colorbox" via. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable.

Authentication Bypass Colorbox
NVD
EPSS 78% 5.3 CVSS 7.5
HIGH POC THREAT Act Now

Script Editor in Apple OS X before 10.11.1 allows remote attackers to bypass an intended user-confirmation requirement for AppleScript execution via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 78.2%.

Apple Authentication Bypass Mac Os X
NVD Exploit-DB
EPSS 0% CVSS 8.8
HIGH This Week

libarchive in Apple OS X before 10.11.1 allows attackers to write to arbitrary files via a crafted app that conducts an unspecified symlink attack. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable. No vendor patch available.

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

SecurityAgent in Apple OS X before 10.11.1 does not prevent synthetic clicks from reaching keychain windows, which allows attackers to bypass intended access restrictions via a crafted app. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Apple Microsoft +1
NVD
EPSS 8% 4.8 CVSS 5.3
MEDIUM KEV PATCH THREAT Act Now

Unspecified vulnerability in Oracle Java SE 6u101, 7u85, and 8u60 allows remote attackers to affect integrity via unknown vectors related to Deployment.

Java Oracle Authentication Bypass
NVD VulDB
EPSS 0% CVSS 4.0
MEDIUM This Month

The virtual filesystem in ownCloud Server before 6.0.9, 7.0.x before 7.0.7, and 8.0.x before 8.0.5 does not consider that NULL is a valid getPath return value, which allows remote authenticated users. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Owncloud Owncloud Server
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The default configuration of Persistent Accelerite Radia Client Automation (formerly HP Client Automation) 7.9 through 9.1 before 2015-02-19 enables a remote Notify capability without the Extended. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

HP Authentication Bypass Radia Client Automation
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

EMC SourceOne Email Supervisor before 7.2 uses hardcoded encryption keys, which makes it easier for attackers to obtain access by examining how a program's code conducts cryptographic operations. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Sourceone Email Supervisor
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

The fetch API implementation in Mozilla Firefox before 41.0.2 does not restrict access to the HTTP response body in certain situations where user credentials are supplied but the CORS cross-origin. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox
NVD
EPSS 2% CVSS 10.0
CRITICAL POC Act Now

OpenNMS has a default password of rtc for the rtc account, which makes it easier for remote attackers to obtain access by leveraging knowledge of the credentials. 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 Opennms
NVD
EPSS 1% CVSS 9.3
CRITICAL Act Now

FortiOS 5.2.3, when configured to use High Availability (HA) and the dedicated management interface is enabled, does not require authentication for access to the ZebOS shell on the HA dedicated. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Fortinet Authentication Bypass Fortios
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The CSSFontFaceSrcValue::fetch function in core/css/CSSFontFaceSrcValue.cpp in the Cascading Style Sheets (CSS) implementation in Blink, as used in Google Chrome before 46.0.2490.71, does not use the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANAuthenticateResource method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendForBrowserReview method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 2% CVSS 6.8
MEDIUM PATCH This Month

The ANShareFile2 method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Memory Corruption Authentication Bypass Use After Free +6
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBAutoConfigCommentRepository method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Memory Corruption Authentication Bypass Use After Free +6
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANVerifyComments method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendForSharedReview method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendForApproval method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANTrustPropagateAll method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBSharedReviewStatusDialog method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBSharedReviewSecurityDialog method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANRunSharedReviewEmailStep method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBSharedReviewCloseDialog method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBSharedReviewIfOfflineDialog method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The DynamicAnnotStore method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendForFormDistribution method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The Function apply implementation in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The Function bind implementation in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

The Function call implementation in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendApprovalToAuthorEnabled method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The DoIdentityDialog method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBBBRInit method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The CBBBRInvite method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANStartApproval method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

The ANSendForReview method in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Adobe Microsoft +4
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The default Flash cross-domain policy (crossdomain.xml) in Revive Adserver before 3.2.2 does not restrict access cross domain access, which allows remote attackers to conduct cross domain attacks via. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Revive Adserver
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Revive Adserver before 3.2.2 allows remote attackers to perform unspecified actions by leveraging an unexpired session after the user has been (1) deleted or (2) unlinked. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Revive Adserver
NVD
EPSS 1% CVSS 7.2
HIGH POC PATCH This Week

The kernel in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows physically proximate attackers to bypass the Trusted Boot protection. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available.

Authentication Bypass Microsoft Windows 10 +8
NVD
EPSS 2% CVSS 7.5
HIGH This Week

object-observe.js in Google V8, as used in Google Chrome before 45.0.2454.101, does not properly restrict method calls on access-checked objects, which allows remote attackers to bypass the Same. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 1% CVSS 7.5
HIGH This Week

bindings/core/v8/V8DOMWrapper.h in Blink, as used in Google Chrome before 45.0.2454.101, does not perform a rethrow action to propagate information about a cross-context exception, which allows. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 1% CVSS 4.3
MEDIUM PATCH This Month

IcedTea-Web before 1.5.3 and 1.6.x before 1.6.1 does not properly determine the origin of unsigned applets, which allows remote attackers to bypass the approval process or trick users into approving. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable.

Authentication Bypass Fedora Enterprise Linux Desktop +5
NVD
EPSS 1% CVSS 6.8
MEDIUM PATCH This Month

IcedTea-Web before 1.5.3 and 1.6.x before 1.6.1 does not properly sanitize applet URLs, which allows remote attackers to inject applets into the .appletTrustSettings configuration file and bypass. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.

Authentication Bypass Enterprise Linux Desktop Enterprise Linux Hpc Node +5
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

Heimdal, as used in Apple OS X before 10.11, allows remote attackers to conduct replay attacks against the SMB server via packet data that represents a Kerberos authenticated request. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

The API in the WebKit Plug-ins component in Apple Safari before 9 does not provide notification of an HTTP Redirection (aka 3xx) status code to a plugin, which allows remote attackers to bypass. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Leap +1
NVD
EPSS 0% CVSS 1.9
LOW Monitor

The Telephony component in Apple OS X before 10.11, when the Continuity feature is enabled, allows local users to bypass intended telephone-call restrictions via unspecified vectors. Rated low severity (CVSS 1.9). No vendor patch available.

Apple Authentication Bypass Mac Os X
NVD
EPSS 0% CVSS 7.0
HIGH This Week

Cybozu Garoon 3.x through 3.7.5 and 4.x through 4.0.3 mishandles authentication requests, which allows remote authenticated users to conduct LDAP injection attacks, and consequently bypass intended. Rated high severity (CVSS 7.0), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Garoon
NVD
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

IBM OpenPages GRC Platform 6.2 before IF7, 6.2.1 before 6.2.1.1 IF5, 7.0 before FP4, and 7.1 before FP1 allows remote authenticated users to modify arbitrary user filters via a JSON request. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity.

IBM Authentication Bypass Openpages Grc Platform
NVD
EPSS 0% CVSS 7.2
HIGH POC This Week

packages/Keyguard/res/layout/keyguard_password_view.xml in Lockscreen in Android 5.x before 5.1.1 LMY48M does not restrict the number of characters in the passwordEntry input field, which allows. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

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

The getRunningAppProcesses function in services/core/java/com/android/server/am/ActivityManagerService.java in Android before 5.1.1 LMY48I allows attackers to bypass intended getRecentTasks. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Google Java Authentication Bypass +1
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

The AppWidgetServiceImpl implementation in com/android/server/appwidget/AppWidgetServiceImpl.java in the Settings application in Android before 5.1.1 LMY48I allows attackers to obtain a URI. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Google Java Authentication Bypass +1
NVD
EPSS 0% CVSS 5.0
MEDIUM This Month

The SAML 2.0 implementation in AdNovum nevisAuth 4.13.0.0 before 4.18.3.1, when using SAML POST-Binding, does not match all attributes of the X.509 certificate embedded in the assertion against the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Nevisauth
NVD
EPSS 1% CVSS 6.8
MEDIUM POC PATCH This Month

classes/admin.class.php in CubeCart 5.2.12 through 5.2.16 and 6.x before 6.0.7 does not properly validate that a password reset request was made, which allows remote attackers to change the. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available.

PHP Authentication Bypass Cubecart
NVD
EPSS 1% CVSS 9.3
CRITICAL Act Now

The SSHv2 functionality in Cisco IOS 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.6E before 3.6.3E, 3.7E before 3.7.1E, 3.10S before 3.10.6S, 3.11S before 3.11.4S, 3.12S before 3.12.3S, 3.13S before. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Apple Cisco Authentication Bypass +2
NVD
EPSS 1% CVSS 9.0
CRITICAL Act Now

EasyIO EasyIO-30P-SF controllers with firmware before 0.5.21 and 2.x before 2.0.5.21, as used in Accutrol, Bar-Tech Automation, Infocon/EasyIO, Honeywell Automation India, Johnson Controls,. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Honeywell Authentication Bypass Easyio 30P Sf Firmware +1
NVD
EPSS 1% CVSS 6.4
MEDIUM This Month

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

js/src/proxy/Proxy.cpp in Mozilla Firefox before 41.0 mishandles certain receiver arguments, which allows remote attackers to bypass intended window access restrictions via a crafted web site. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Mozilla Authentication Bypass Firefox
NVD
EPSS 0% CVSS 4.9
MEDIUM PATCH This Month

The CMS Updater module 7.x-1.x before 7.x-1.3 for Drupal does not properly check access permissions, which allows remote authenticated users to access and change settings by leveraging the "access. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable.

Authentication Bypass Cms Updater
NVD
EPSS 0% CVSS 7.3
HIGH PATCH This Week

Securifi Almond devices with firmware before AL1-R201EXP10-L304-W34 and Almond-2015 devices with firmware before AL2-R088M have a default password of admin for the admin account, which allows remote. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.

Authentication Bypass Almond Firmware Almond 2015 Firmware
NVD
EPSS 1% CVSS 5.0
MEDIUM POC PATCH This Month

Retrospect and Retrospect Client before 10.0.2.119 on Windows, before 12.0.2.116 on OS X, and before 10.0.2.104 on Linux improperly generate password hashes, which makes it easier for remote. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Microsoft Authentication Bypass Retrospect +1
NVD
EPSS 0% CVSS 7.2
HIGH This Week

The processor_set_tasks API implementation in Apple iOS before 9 allows local users to bypass an entitlement protection mechanism and obtain access to the task ports of arbitrary processes by. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.

Apple Authentication Bypass Watchos +2
NVD
EPSS 0% CVSS 2.1
LOW Monitor

SpringBoard in Apple iOS before 9 allows physically proximate attackers to bypass a lock-screen preview-disabled setting, and reply to an audio message, via unspecified vectors. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. No vendor patch available.

Apple Authentication Bypass Iphone Os
NVD
EPSS 1% CVSS 5.0
MEDIUM This Month

dyld in Apple iOS before 9 allows attackers to bypass a code-signing protection mechanism via an app that places a crafted signature in an executable file. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apple Authentication Bypass Watchos +2
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

SpringBoard in Apple iOS before 9 does not properly restrict access to privileged API calls, which allows attackers to spoof the dialog windows of an arbitrary app via a crafted app. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft Apple Authentication Bypass +1
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

PluginKit in Apple iOS before 9 allows attackers to bypass an intended app-trust requirement and install arbitrary extensions via a crafted enterprise app. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Watchos +1
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

WebKit in Apple iOS before 9 does not properly select the cases in which a Cascading Style Sheets (CSS) document is required to have the text/css content type, which allows remote attackers to bypass. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

Apple Authentication Bypass Safari +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Unit4 Polska TETA Web (formerly TETA Galactica) 22.62.3.4 does not properly restrict access to the (1) Design Mode and (2) Debug Logger mode modules, which allows remote attackers to gain privileges. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Teta Web
NVD
EPSS 1% CVSS 10.0
CRITICAL Act Now

Impero Education Pro before 5105 relies on the -1|AUTHENTICATE\x02PASSWORD string for authentication, which allows remote attackers to execute arbitrary programs via an encrypted command. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Impero Education Pro
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33262

MITRE ATT&CK

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