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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 (37867)

EPSS 1% CVSS 7.4
HIGH PATCH This Week

Spring Security versions 5.1.x prior to 5.1.2 contain an authorization bypass vulnerability during JWT issuer validation. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Java VMware +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue was discovered on D-Link DVA-5592 A1_WI_20180823 devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass D-Link Dva 5592 Firmware
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated subscriber users to bypass intended access restrictions on changes to plugin settings. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Authentication Bypass Wp Maintenance Mode +1
NVD
EPSS 4% CVSS 6.5
MEDIUM This Month

In WordPress before 4.9.9 and 5.x before 5.0.1, authors could bypass intended restrictions on post types via crafted input. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Authentication Bypass Debian +1
NVD
EPSS 4% CVSS 6.5
MEDIUM This Month

In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

WordPress Authentication Bypass Debian +1
NVD
EPSS 21% CVSS 9.8
CRITICAL POC THREAT Act Now

Hardcoded credentials in the Ricoh myPrint application 2.9.2.4 for Windows and 2.2.7 for Android give access to any externally disclosed myPrint WSDL API, as demonstrated by discovering API secrets. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Google Microsoft +2
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Dell EMC iDRAC7/iDRAC8 versions prior to 2.61.60.60 and iDRAC9 versions prior to 3.20.21.20, 3.21.24.22, 3.21.26.22, and 3.23.23.23 contain a privilege escalation vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Privilege Escalation Dell +3
NVD
EPSS 2% CVSS 8.8
HIGH This Week

Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Cloud Foundry Uaa Release Pivotal Software
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

Authentication Bypass Mosquitto Eclipse
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

IBM Security Access Manager Appliance 9.0.1.0, 9.0.2.0, 9.0.3.0, 9.0.4.0, and 9.0.5.0 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Authentication Bypass IBM Security Access Manager
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

IBM Security Guardium 10 and 10.5 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass IBM Security Guardium
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

IBM Security Access Manager Appliance 9.0.1.0, 9.0.2.0, 9.0.3.0, 9.0.4.0, and 9.0.5.0 uses incomplete blacklisting for input validation which allows attackers to bypass application controls resulting. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass IBM Security Access Manager
NVD
EPSS 3% CVSS 8.1
HIGH This Week

A vulnerability has been identified in SIMATIC IT LMS (All versions), SIMATIC IT Production Suite (Versions V7.1 < V7.1 Upd3), SIMATIC IT UA Discrete Manufacturing (Versions < V1.2), SIMATIC IT UA. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Siemens Simatic It Production Suite +2
NVD
EPSS 7% CVSS 6.5
MEDIUM POC This Month

A potential Remote Unauthorized Access in Micro Focus Fortify Software Security Center (SSC), versions 17.10, 17.20, 18.10 this exploitation could allow Remote Unauthorized Access. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Fortify Software Security Center Microfocus
NVD Exploit-DB
EPSS 7% CVSS 6.5
MEDIUM POC This Month

A potential Remote Unauthorized Access in Micro Focus Fortify Software Security Center (SSC), versions 17.10, 17.20, 18.10 this exploitation could allow Remote Unauthorized Access. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Fortify Software Security Center Microfocus
NVD Exploit-DB
EPSS 1% CVSS 9.8
CRITICAL Act Now

Open Dental before version 18.4 installs a mysql database and uses the default credentials of "root" with a blank password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Opendental
NVD
EPSS 3% CVSS 10.0
CRITICAL Act Now

A vulnerability has been identified in TIM 1531 IRC (All version < V2.0). Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Siemens Tim 1531 Irc Firmware
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Incorrect enforcement of authorization checks in eDirectory prior to 9.1 SP2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Edirectory Microfocus
NVD
EPSS 1% CVSS 5.5
MEDIUM POC PATCH This Month

The userfaultfd implementation in the Linux kernel before 4.19.7 mishandles access control for certain UFFDIO_ ioctl calls, as demonstrated by allowing local users to write data into holes in a tmpfs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

Authentication Bypass Linux Red Hat +11
NVD GitHub
EPSS 1% CVSS 7.4
HIGH This Week

By default, the SAP NetWeaver AS Java keystore service does not sufficiently restrict the access to resources that should be protected. Rated high severity (CVSS 7.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java SAP +1
NVD
EPSS 1% CVSS 8.0
HIGH This Week

Necessary authorization checks for an authenticated user, resulting in escalation of privileges, have been fixed in SAP Basis AS ABAP of SAP NetWeaver 700 to 750, from 750 onwards delivered as ABAP. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass SAP Business Application Software Integrated Solution
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Service works could inappropriately gain access to cross origin audio in Media in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass same origin policy for audio content via a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 3% CVSS 6.5
MEDIUM This Month

Lack of proper validation of ancestor frames site when sending lax cookies in Navigation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass SameSite cookie policy via a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Incorrect handling of CSP enforcement during navigations in Blink in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass content security policy via a crafted HTML page. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Incorrect handling of blob URLS in Site Isolation in Google Chrome prior to 71.0.3578.80 allowed a remote attacker who had compromised the renderer process to bypass site isolation protections via a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

VeryNginx 0.3.3 allows remote attackers to bypass the Web Application Firewall feature because there is no error handler (for get_uri_args or get_post_args) to block the API misuse described in. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Verynginx
NVD GitHub
EPSS 1% CVSS 7.2
HIGH This Week

Aruba ClearPass Policy Manager guest authorization failure. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Aruba Clearpass Policy Manager +1
NVD
EPSS 1% CVSS 7.2
HIGH This Week

A Remote Authentication bypass in Aruba ClearPass Policy Manager leads to complete cluster compromise. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Aruba Clearpass Policy Manager +1
NVD
EPSS 1% CVSS 8.1
HIGH This Week

In Aruba ClearPass, disabled API admins can still perform read/write operations. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass XXE Aruba +2
NVD
EPSS 10% CVSS 9.8
CRITICAL POC THREAT Act Now

All versions up to ZXINOS-RESV1.01.43 of the ZTE ZXIN10 product European region are impacted by improper access control vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass RCE Zte +1
NVD GitHub
EPSS 0% CVSS 8.6
HIGH This Week

Rockwell Automation MicroLogix 1400 Controllers and 1756 ControlLogix Communications Modules An unauthenticated, remote threat actor could send a CIP connection request to an affected device, and. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Rockwell 1756 En2Tr Series A Firmware +16
NVD VulDB
EPSS 1% CVSS 7.8
HIGH POC This Week

Authentication Abuse vulnerability in Microsoft Windows client in McAfee True Key (TK) 5.1.230.7 and earlier allows local users to execute unauthorized commands via specially crafted malware. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Microsoft True Key +1
NVD Exploit-DB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In multiple functions of ContentProvider.java, there is a possible permission bypass due to a missing URI validation. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Authentication Bypass Information Disclosure Google +1
NVD
EPSS 3% CVSS 8.8
HIGH POC This Week

Tarantella Enterprise before 3.11 allows bypassing Access Control. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Oracle Tarantella Enterprise
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

IBM QRadar SIEM 7.2 and 7.3 uses hard-coded credentials which could allow an attacker to bypass the authentication configured by the administrator. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Authentication Bypass IBM Qradar Incident Forensics
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Gitlab
NVD
EPSS 0% CVSS 7.8
HIGH This Week

A vulnerability in the configuration of a local database installed as part of the Cisco Energy Management Suite (CEMS) could allow an authenticated, local attacker to access and alter confidential. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass PostgreSQL Cisco +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Inappropriate setting of the SEE_MASK_FLAG_NO_UI flag in file downloads in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to potentially bypass OS malware checks via a crafted HTML. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A stagnant permission prompt in Prompts in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to bypass permission policy via a crafted HTML page. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

Incorrect access control in the Dashboard API on Drobo 5N2 NAS version 4.0.5-13.28.96115 allows attackers to bypass authentication due to insecure token generation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass 5N2 Firmware Drobo
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

An insecure transport protocol used by Drobo Dashboard API on Drobo 5N2 NAS version 4.0.5-13.28.96115 allows attackers to intercept network traffic. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass 5N2 Firmware Drobo
NVD
EPSS 1% CVSS 7.8
HIGH PATCH This Week

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Red Hat Enterprise Linux Desktop +7
NVD
EPSS 1% CVSS 6.6
MEDIUM This Month

A security vulnerability in HPE Integrated Lights-Out 5 (iLO 5) prior to v1.37 could be locally exploited to bypass the security restrictions for firmware updates. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass HP Integrated Lights Out 5 Firmware
NVD
EPSS 3% CVSS 9.8
CRITICAL POC Act Now

Zoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0915 and below) are vulnerable to unauthorized message processing. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Zoom Microsoft
NVD
EPSS 3% CVSS 7.5
HIGH POC PATCH This Week

A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active Job to deserialize it using GlobalId and give them access to. 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.

Authentication Bypass Red Hat Rails +2
NVD
EPSS 12% CVSS 8.8
HIGH POC THREAT This Week

The Dell OpenManage Network Manager virtual appliance versions prior to 6.5.3 contain an improper authorization vulnerability caused by a misconfiguration in the /etc/sudoers file. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Dell Openmanage Network Manager
NVD Exploit-DB
EPSS 1% CVSS 8.1
HIGH PATCH This Week

The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Red Hat Keycloak
NVD
EPSS 1% CVSS 6.8
MEDIUM This Month

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000;. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Symantec Norton Antivirus +2
NVD
EPSS 0% CVSS 7.8
HIGH This Week

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000;. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Symantec Norton Antivirus +2
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Improper Authorization vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could allow remote attackers to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Qnap Qts
NVD
EPSS 0% CVSS 4.6
MEDIUM This Month

There is a Factory Reset Protection (FRP) bypass vulnerability on several smartphones. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Huawei Mate 9 Pro Firmware +1
NVD
EPSS 1% CVSS 7.4
HIGH This Week

There is an anonymous TLS cipher suites supported vulnerability in Huawei eSpace product. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Huawei Espace 7950 Firmware
NVD
EPSS 2% CVSS 8.8
HIGH POC This Week

Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

PHP Authentication Bypass Terramaster Operating System +1
NVD
EPSS 1% CVSS 8.1
HIGH This Week

In System Management Module (SMM) versions prior to 1.06, the SMM contains weak default root credentials which could be used to log in to the device OS -- if the attacker manages to enable SSH or. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Lenovo System Management Module Firmware
NVD
EPSS 1% CVSS 8.1
HIGH This Week

A incorrect variable in a SUSE specific patch for pam_access rule matching in PAM 1.3.0 in openSUSE Leap 15.0 and SUSE Linux Enterprise 15 could lead to pam_access rules not being applied (fail open). Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Kernel Linux Pam
NVD
EPSS 23% CVSS 9.8
CRITICAL POC THREAT Act Now

Incorrect access control in nasapi in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to bypass authentication by sending a modified HTTP Host header. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Ts5600D1206 Firmware Buffalo
NVD
EPSS 3% CVSS 7.8
HIGH POC PATCH This Week

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Debian Red Hat +12
NVD
EPSS 3% CVSS 7.8
HIGH POC PATCH This Week

psi/zicc.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a setcolorspace type confusion. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Debian Red Hat +12
NVD
EPSS 10% CVSS 7.8
HIGH POC PATCH This Week

psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Debian Red Hat +12
NVD
EPSS 33% CVSS 7.5
HIGH POC THREAT This Week

In PHP Proxy 3.0.3, any user can read files from the server without authentication due to an index.php?q=file:/// LFI URI, a different vulnerability than CVE-2018-19246. 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.

PHP Authentication Bypass Php Proxy
NVD Exploit-DB
EPSS 1% CVSS 8.8
HIGH This Week

An issue was discovered in Roche Accu-Chek Inform II Base Unit / Base Unit Hub before 03.01.04 and CoaguChek / cobas h232 Handheld Base Unit before 03.01.04. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Brute Force Accu Chek Inform Ii Firmware +4
NVD
EPSS 1% CVSS 6.4
MEDIUM POC This Month

Inova Partner 5.0.5-RELEASE, Build 0510-0906 and earlier allows authenticated users authorization bypass via insecure direct object reference. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Authentication Bypass Inova Partner
NVD
EPSS 1% CVSS 6.4
MEDIUM This Month

Inova Partner 5.0.5-RELEASE, Build 0510-0906 and earlier allows authenticated users authorization bypass and data manipulation in certain functions. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Inova Partner
NVD
EPSS 1% CVSS 8.8
HIGH This Week

All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are impacted by improper authorization vulnerability. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zte Zxhn F670 Firmware
NVD
EPSS 1% CVSS 8.8
HIGH This Week

All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are impacted by improper access control vulnerability, which may allows an unauthorized user to perform unauthorized operations on the router. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zte Zxhn F670 Firmware
NVD
EPSS 1% CVSS 5.9
MEDIUM This Month

Lenovo Chassis Management Module (CMM) prior to version 2.0.0 utilizes a hardcoded encryption key to protect certain secrets. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Lenovo Chassis Management Module Firmware
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Sonatype Nexus Repository Manager before 3.14 has Incorrect Access Control. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Nexus Repository Manager Sonatype
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

OpenDolphin 2.7.0 and earlier allows authenticated attackers to bypass authentication to create and/or delete other users accounts via unspecified vectors. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Opendolphin
NVD
EPSS 0% CVSS 7.8
HIGH This Week

SecureCore Standard Edition Version 2.x allows an attacker to bypass the product 's authentication to log in to a Windows PC. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Securecore
NVD
EPSS 1% CVSS 8.8
HIGH This Week

BlueStacks App Player (BlueStacks App Player for Windows 3.0.0 to 4.31.55, BlueStacks App Player for macOS 2.0.0 and later) allows an attacker on the same network segment to bypass access restriction. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apple Microsoft +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Denbun by NEOJAPAN Inc. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Debun Imap Debun Pop +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Denbun by NEOJAPAN Inc. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Debun Imap Debun Pop +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In onCheckedChanged of BluetoothPairingController.java, there is a possible way to retrieve contact information due to a permissions bypass. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Authentication Bypass Information Disclosure Google +1
NVD
EPSS 90% CVSS 8.8
HIGH POC THREAT This Week

ZTE ZXHN H168N product with versions V2.2.0_PK1.2T5, V2.2.0_PK1.2T2, V2.2.0_PK11T7 and V2.2.0_PK11T have an improper change control vulnerability, which may allow an unauthorized user to perform. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Zte Zxhn H168N Firmware
NVD Exploit-DB
EPSS 88% CVSS 8.8
HIGH POC THREAT This Week

ZTE ZXHN H168N product with versions V2.2.0_PK1.2T5, V2.2.0_PK1.2T2, V2.2.0_PK11T7 and V2.2.0_PK11T have an improper access control vulnerability, which may allow an unauthorized user to gain. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Zte Zxhn H168N Firmware
NVD Exploit-DB
EPSS 2% CVSS 8.8
HIGH This Week

Failure to apply Mark-of-the-Web in Downloads in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to bypass OS level controls via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Lack of special casing of Android ashmem in Google Chrome prior to 65.0.3325.146 allowed a remote attacker who had compromised the renderer process to bypass inter-process read only guarantees via a. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Chrome Google +6
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

Authentication bypass in the Intel RAID Web Console 3 for Windows before 4.186 may allow an unprivileged user to potentially gain administrative privileges via local access. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Intel +1
NVD
EPSS 1% CVSS 4.6
MEDIUM PATCH This Month

A security feature bypass vulnerability exists when Windows improperly suspends BitLocker Device Encryption, aka "BitLocker Security Feature Bypass Vulnerability." This affects Windows Server 2016,. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Microsoft Windows Server 2016 +2
NVD
EPSS 1% CVSS 5.5
MEDIUM PATCH This Month

A security feature bypass exists when Windows incorrectly validates kernel driver signatures, aka "Windows Security Feature Bypass Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1,. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows Server 2012 +5
NVD
EPSS 2% CVSS 5.3
MEDIUM PATCH This Month

A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard, aka "Microsoft JScript Security Feature Bypass Vulnerability." This affects. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows Server 2016 +2
NVD
EPSS 1% CVSS 7.2
HIGH PATCH This Week

VMware vRealize Log Insight (4.7.x before 4.7.1 and 4.6.x before 4.6.2) contains a vulnerability due to improper authorization in the user registration method. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass VMware Vrealize Log Insight
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

HTTP Verb Tampering is possible in SAP BusinessObjects Business Intelligence Platform, versions 4.1 and 4.2, Central Management Console (CMC) by changing request method. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass SAP Businessobjects Business Intelligence
NVD
EPSS 0% CVSS 4.6
MEDIUM This Month

Huawei Watch 2 with versions and earlier than OWDD.180707.001.E1 have an improper authorization vulnerability. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Huawei Watch 2 Firmware
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

The radio module of some Huawei smartphones Emily-AL00A The versions before 8.1.0.171(C00) have a lock-screen bypass vulnerability. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Huawei Emily Al00A Firmware
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

Some Huawei smartphones ALP-AL00B 8.0.0.118D(C00), ALP-TL00B 8.0.0.118D(C01), BLA-AL00B 8.0.0.118D(C00), BLA-L09C 8.0.0.127(C432), 8.0.0.128(C432), 8.0.0.137(C432), BLA-L29C 8.0.0.129(C432),. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Huawei Alp Al00B Firmware +4
NVD
EPSS 0% CVSS 6.7
MEDIUM This Month

A vulnerability in the DLL loading component of Cisco Advanced Malware Protection (AMP) for Endpoints on Windows could allow an authenticated, local attacker to disable system scanning services or. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Cisco +1
NVD
EPSS 0% CVSS 3.6
LOW PATCH Monitor

IBM Cognos Analytics 11 Configuration tool, under certain circumstances, will bypass OIDC namespace signature verification on its id_token. Rated low severity (CVSS 3.6).

Authentication Bypass IBM Jwt Attack +3
NVD
EPSS 4% CVSS 9.8
CRITICAL Act Now

A vulnerability in the Stealthwatch Management Console (SMC) of Cisco Stealthwatch Enterprise could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Stealthwatch Enterprise
NVD
EPSS 0% CVSS 7.8
HIGH This Week

A vulnerability in Secure Shell implementation of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to provide arbitrary environment variables, and bypass. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Broadcom Fabric Operating System
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
37867

MITRE ATT&CK

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