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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 (37883)

EPSS 0% CVSS 6.7
MEDIUM This Month

A vulnerability has been identified in SIMATIC WinCC OA UI for Android (All versions < V3.15.10), SIMATIC WinCC OA UI for iOS (All versions < V3.15.10). Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Google Apple +2
NVD
EPSS 2% CVSS 10.0
CRITICAL POC Act Now

Versions of DocuTrac QuicDoc and Office Therapy that ship with DTISQLInstaller.exe version 1.6.4.0 and prior contain three credentials with known passwords: QDMaster, OTMaster, and sa. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Microsoft Dtisqlinstaller
NVD
EPSS 1% CVSS 7.8
HIGH PATCH This Week

In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook context. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Notebook Jupyter
NVD
EPSS 3% CVSS 5.3
MEDIUM PATCH This Month

Spring Security (Spring Security 4.1.x before 4.1.5, 4.2.x before 4.2.4, and 5.0.x before 5.0.1; and Spring Framework 4.3.x before 4.3.14 and 5.0.x before 5.0.3) does not consider URL path parameters. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java Oracle +7
NVD
EPSS 7% CVSS 9.8
CRITICAL Act Now

A server auth command injection authentication bypass vulnerability in Trend Micro Smart Protection Server (Standalone) versions 3.3 and below could allow remote attackers to escalate privileges on. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Command Injection Trend Micro +1
NVD
EPSS 11% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

A missing authentication for appliance registration vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to manipulate the registration process of the product to reset. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Trend Micro Email Encryption Gateway
NVD Exploit-DB
EPSS 20% CVSS 8.1
HIGH POC PATCH THREAT This Week

The Embedthis HTTP library, and Appweb versions before 7.0.3, have a logic flaw related to the authCondition function in http/httpLib.c. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

Authentication Bypass Appweb Embedthis
NVD GitHub
EPSS 15% CVSS 9.1
CRITICAL POC THREAT Act Now

SecurEnvoy SecurMail before 9.2.501 allows remote attackers to spoof transmission of arbitrary e-mail messages, resend e-mail messages to arbitrary recipients, or modify arbitrary message bodies and. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Securmail Securenvoy
NVD Exploit-DB
EPSS 4% CVSS 9.8
CRITICAL Act Now

A remote code execution issue was discovered in the WooCommerce Products Filter (aka WOOF) plugin before 2.2.0 for WordPress, as demonstrated by the shortcode parameter in a woof_redraw_woof action. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

WordPress Authentication Bypass RCE +2
NVD
EPSS 2% CVSS 8.4
HIGH This Week

In systems using the optional capture & replay functionality of SAP HANA, 1.00 and 2.00, (see SAP Note 2362820 for more information about capture & replay), user credentials may be stored in clear. Rated high severity (CVSS 8.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Information Disclosure SAP +1
NVD
EPSS 6% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel 2007 SP3, Microsoft Excel 2010 SP2, Microsoft Excel 2013 SP1, Microsoft Excel 2016, Microsoft Office 2016 Click-to-Run and Microsoft Office 2016 for Mac allow a security feature. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Microsoft Excel +1
NVD
EPSS 1% CVSS 7.8
HIGH PATCH This Week

The Cryptography Next Generation (CNG) kernel-mode driver (cng.sys) in Windows 10 Gold, 1511, 1607, 1703, and 1709. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows Server 2016 +2
NVD
EPSS 82% CVSS 7.0
HIGH POC PATCH THREAT This Week

The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511,. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. Public exploit code available.

Authentication Bypass RCE Microsoft +7
NVD GitHub Exploit-DB
EPSS 1% CVSS 7.8
HIGH PATCH This Week

Windows Scripting Host (WSH) in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows a security feature bypass vulnerability due to how objects are. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows Server 2016 +2
NVD
EPSS 3% CVSS 9.1
CRITICAL PATCH Act Now

Mercurial version 4.5 and earlier contains a Incorrect Access Control (CWE-285) vulnerability in Protocol server that can result in Unauthorized data access. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Debian Debian Linux +1
NVD
EPSS 50% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

Datalust Seq before 4.2.605 is vulnerable to Authentication Bypass (with the attacker obtaining admin access) via '"Name":"isauthenticationenabled","Value":false' in an. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Seq Datalust
NVD GitHub Exploit-DB
EPSS 27% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Debian Red Hat +11
NVD GitHub Exploit-DB
EPSS 1% CVSS 9.8
CRITICAL Act Now

Authentication bypass in Hanwha Techwin Smartcams. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Snh V6410Pn Firmware Snh V6410Pnw Firmware +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Unsecured way of firmware update in Hanwha Techwin Smartcams. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Snh V6410Pn Firmware Snh V6410Pnw Firmware +1
NVD
EPSS 10% CVSS 8.8
HIGH This Week

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users'. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Debian Canonical +3
NVD
EPSS 1% CVSS 4.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Promoted Builds Plugin 2.31.1 and earlier in Status.java and ManualCondition.java that allow an attacker with read access to jobs to perform. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Mercurial Plugin version 2.2 and earlier in MercurialStatus.java that allows an attacker with network access to obtain a list of nodes and. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Subversion Plugin version 2.10.2 and earlier in SubversionStatus.java and SubversionRepositoryStatus.java that allows an attacker with. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 4% CVSS 5.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Git Plugin version 3.7.0 and earlier in GitStatus.java that allows an attacker with network access to obtain a list of nodes and users. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 1% CVSS 4.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Google Play Android Publisher Plugin version 1.6 and earlier in GooglePlayBuildStepDescriptor.java that allow an attacker to obtain. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Java Google +2
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Job and Node Ownership Plugin 0.11.0 and earlier in OwnershipDescription.java, JobOwnerJobProperty.java, and OwnerNodeProperty.java that. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 1% CVSS 5.4
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Gerrit Trigger Plugin 2.27.4 and earlier in GerritManagement.java, GerritServer.java, and PluginImpl.java that allows an attacker with. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Java Jenkins +1
NVD
EPSS 1% CVSS 4.3
MEDIUM PATCH This Month

An improper authorization vulnerability exists in Jenkins Gerrit Trigger Plugin 2.27.4 and earlier in GerritManagement.java, GerritServer.java, and PluginImpl.java that allows an attacker with. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Asyncssh Asyncssh Project
NVD GitHub
EPSS 0% CVSS 7.8
HIGH This Week

Dell EMC Data Protection Advisor versions prior to 6.3 Patch 159 and Dell EMC Data Protection Advisor versions prior to 6.4 Patch 110 contain a hardcoded database account with administrative. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Dell Data Protection Advisor +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

The Password Manager Extension in Abine Blur 7.8.242* before 7.8.2428 allows attackers to bypass the Multi-Factor Authentication and macOS disk-encryption protection mechanisms, and consequently. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apple Blur +1
NVD
EPSS 1% CVSS 8.1
HIGH PATCH This Week

A vulnerability exists in Schneider Electric's Pelco Sarix Professional in all firmware versions prior to 3.29.67 which could enable SSH service due to lack of authentication for /login/bin/set_param. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Schneider Electric Mps110 1 Firmware +19
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

A vulnerability exists in Schneider Electric's Pelco Sarix Professional in all firmware versions prior to 3.29.67 which could allow an unauthenticated, remote attacker to bypass authentication and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Authentication Bypass Schneider Electric Mps110 1 Firmware +19
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

A vulnerability exists in Schneider Electric's Pelco Sarix Professional in all firmware versions prior to 3.29.67 which could allow an unauthenticated, remote attacker to bypass authentication and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Schneider Electric Mps110 1 Firmware +19
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

A vulnerability exists in Schneider Electric's Pelco Sarix Professional in all firmware versions prior to 3.29.67 which could allow retrieving of specially crafted URLs without authentication that. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Schneider Electric Mps110 1 Firmware +19
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Buffalo WXR-1900DHP2 firmware Ver.2.48 and earlier allows an attacker to bypass authentication and execute arbitrary commands on the device via unspecified vectors. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Wxr 1900Dhp2 Firmware Buffalo
NVD
EPSS 1% CVSS 7.1
HIGH This Week

Red Hat OpenShift Enterprise version 3.7 is vulnerable to access control override for container network filesystems. Rated high severity (CVSS 7.1). No vendor patch available.

Authentication Bypass Red Hat Openshift
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

A vulnerability has been identified in DIGSI 4 (All versions < V4.92), EN100 Ethernet module DNP3 variant (All versions < V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.

Authentication Bypass Siemens En100 Ethernet Module Iec 104 Firmware +8
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A vulnerability has been identified in EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module DNP3 variant (All versions < V1.04), EN100 Ethernet module PROFINET IO. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.

Authentication Bypass Siemens En100 Ethernet Module Iec 104 Firmware +4
NVD
EPSS 0% CVSS 5.9
MEDIUM This Month

An XML parsing vulnerability affects IBM SAML-based single sign-on (SSO) systems (IBM Security Access Manager 9.0.0 - 9.0.4 and IBM Tivoli Federated Identity Manager 6.2 - 6.0.2.) This vulnerability. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass IBM Tivoli Federated Identity Manager +1
NVD
EPSS 22% CVSS 9.8
CRITICAL Act Now

A hard-coded password vulnerability was discovered in vApp Manager which is embedded in Dell EMC Unisphere for VMAX, Dell EMC Solutions Enabler, Dell EMC VASA Virtual Appliances, and Dell EMC VMAX. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Dell Emc Solutions Enabler Virtual Appliance +3
NVD
EPSS 0% CVSS 8.4
HIGH This Week

A vulnerability in Cisco Prime Collaboration Provisioning (PCP) Software 11.6 could allow an unauthenticated, local attacker to log in to the underlying Linux operating system. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Prime Collaboration +2
NVD
EPSS 2% CVSS 5.6
MEDIUM This Month

A vulnerability in the FTP server of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to log in to the FTP server of the device without a valid password. Rated medium severity (CVSS 5.6), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Cisco Asyncos
NVD
EPSS 13% CVSS 7.5
HIGH POC THREAT This Week

An issue was discovered in Western Bridge Cobub Razor 0.7.2. 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 Razor +1
NVD GitHub Exploit-DB
EPSS 54% CVSS 9.8
CRITICAL POC THREAT Act Now

antsle antman before 0.9.1a allows remote attackers to bypass authentication via invalid characters in the username and password parameters, as demonstrated by a username=>&password=%0a string to the. 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 Antman
NVD Exploit-DB
EPSS 1% CVSS 9.8
CRITICAL Act Now

PAM exposure enabling unauthenticated access to remote host. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Privileged Account Manager Netiq
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Oncell G3110 Hspa Firmware Oncell G3150 Hspa T Firmware +3
NVD
EPSS 1% CVSS 8.8
HIGH This Week

This vulnerability allows adjacent attackers to inject arbitrary Controller Area Network messages on vulnerable installations of Volkswagen Customer-Link App 1.30 and HTC Customer-Link Bridge. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Customer Link Bridge Customer Link +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue was discovered in the MBeans Server in Wowza Streaming Engine before 4.7.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass RCE Streaming Engine +1
NVD
EPSS 3% CVSS 7.5
HIGH This Week

Command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway 11.0 before build 70.16, 11.1 before build 55.13, and 12.0 before build 53.13; and the NetScaler Load Balancing instance. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Command Injection Citrix +3
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

SAP NetWeaver System Landscape Directory, LM-CORE 7.10, 7.20, 7.30, 7.31, 7.40, does not perform any authentication checks for functionalities that require user identity. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass SAP Netweaver System Landscape Directory
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

In Apache OpenMeetings 3.0.0 - 4.0.1, CRUD operations on privileged users are not password protected allowing an authenticated attacker to deny service for privileged users. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Apache Openmeetings
NVD
EPSS 12% CVSS 10.0
CRITICAL Act Now

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Adobe Acrobat +3
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Authentication Bypass Debian Red Hat +8
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A malicious user with unrestricted access to the AppFormix application management platform may be able to access a Python debug console and execute system commands with root privilege. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Python Juniper +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Homematic Central Control Unit Ccu2 Firmware Eq 3
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

An issue was discovered in an npm 5.7.0 2018-02-21 pre-release (marked as "next: 5.7.0" and therefore automatically installed by an "npm upgrade -g npm" command, and also announced in the vendor's. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Node.js npm +1
NVD GitHub
EPSS 3% CVSS 9.8
CRITICAL Act Now

A vulnerability in the authentication functionality of the web-based service portal of Cisco Elastic Services Controller Software could allow an unauthenticated, remote attacker to bypass. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Elastic +2
NVD
EPSS 2% CVSS 3.3
LOW POC Monitor

An issue was discovered in armadito-windows-driver/src/communication.c in Armadito 0.12.7.2. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Microsoft Armadito Antivirus +1
NVD GitHub Exploit-DB
EPSS 0% CVSS 7.8
HIGH This Week

This vulnerability allows local attackers to escalate privileges on vulnerable installations of ABB MicroSCADA 9.3 with FP 1-2-3. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Abb Sys600 Firmware +1
NVD
EPSS 4% CVSS 9.8
CRITICAL Act Now

This vulnerability allows remote attackers to cause a denial-of-service condition on vulnerable installations of ZyXEL P-870H-51 DSL Router 1.00(AWG.3)D5. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zyxel P 870H 51 Firmware
NVD
EPSS 2% CVSS 7.5
HIGH This Week

Ivanti Endpoint Security (formerly HEAT Endpoint Management and Security Suite) 8.5 Update 1 and earlier allows an authenticated user with low privileges and access to the local network to bypass. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Ivanti Endpoint Security
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

Windows Scripting Host (WSH) in Windows 10 versions 1703 and 1709 and Windows Server, version 1709 allows a Device Guard security feature bypass vulnerability due to the way objects are handled in. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity.

Authentication Bypass Microsoft Windows Server 2016 +1
NVD
EPSS 6% CVSS 4.3
MEDIUM PATCH This Month

Microsoft Edge in Microsoft Windows 10 1607, 1703, and Windows Server 2016 allows a security feature bypass, due to how Edge handles different-origin requests, aka "Microsoft Edge Security Feature. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Microsoft Edge
NVD
EPSS 2% CVSS 7.5
HIGH POC This Week

TRENDnet TEW-751DR v1.03B03, TEW-752DRU v1.03B01, and TEW733GR v1.03B01 devices allow authentication bypass via an AUTHORIZED_GROUP=1 value, as demonstrated by a request for getcfg.php. 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 Tew733Gr Firmware +3
NVD
EPSS 3% CVSS 9.8
CRITICAL PATCH Act Now

In Apache JMeter 2.X and 3.X, when using Distributed Test only (RMI based), jmeter server binds RMI Registry to wildcard host. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apache Jmeter
NVD
EPSS 1% CVSS 8.8
HIGH This Week

SAP ERP Financials Information System (SAP_APPL 6.00, 6.02, 6.03, 6.04, 6.05, 6.06, 6.16; SAP_FIN 6.17, 6.18, 7.00, 7.20, 7.30 S4CORE 1.00, 1.01, 1.02) does not perform necessary authorization checks. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass SAP Erp Financials Information System
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

In SAP HANA Extended Application Services, 1.0, unauthorized users can read statistical data about deployed applications including resource consumption. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass SAP Hana Extended Application Services
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

In SAP HANA Extended Application Services, 1.0, some general server statistics and status information could be retrieved by unauthorized users. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass SAP Hana Extended Application Services
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

An Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Pfc200 Firmware Wago
NVD
EPSS 10% CVSS 9.8
CRITICAL PATCH Act Now

When using Distributed Test only (RMI based), Apache JMeter 2.x and 3.x uses an unsecured RMI connection. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apache Jmeter
NVD
EPSS 1% CVSS 7.0
HIGH This Week

Dell EMC SupportAssist Enterprise version 1.1 creates a local Windows user account named "OMEAdapterUser" with a default password as part of the installation process. Rated high severity (CVSS 7.0). No vendor patch available.

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

Jenkins Credentials Binding Plugin 1.14 and earlier masks passwords it provides to build processes in their build logs. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Jenkins Credentials Binding
NVD
EPSS 2% CVSS 5.3
MEDIUM This Month

Electrum Technologies GmbH Electrum Bitcoin Wallet version prior to version 3.0.5 contains a Missing Authorization vulnerability in JSONRPC interface that can result in Bitcoin theft, if the user's. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Electrum Bitcoin Wallet
NVD GitHub
EPSS 4% CVSS 9.8
CRITICAL PATCH Act Now

A password hash usage authentication bypass vulnerability in Trend Micro Control Manager 6.0 could allow a remote attacker to bypass authentication on vulnerable installations. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Trend Micro Control Manager
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

An issue was discovered on VOBOT CLOCK before 0.99.30 devices. 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 Vobot Firmware Omninova
NVD
EPSS 4% CVSS 9.8
CRITICAL POC Act Now

A flaw in the profile section of Online Voting System 1.0 allows an unauthenticated user to set an arbitrary password for other accounts. 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 Online Voting Platform
NVD Exploit-DB
EPSS 16% CVSS 9.8
CRITICAL Act Now

This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Quest NetVault Backup 11.2.0.13. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass RCE Netvault Backup +1
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Etherpad
NVD GitHub
EPSS 1% CVSS 5.3
MEDIUM This Month

A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass file policies that are configured to block files transmitted to an. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Firepower Threat Defense
NVD VulDB
EPSS 1% CVSS 4.7
MEDIUM This Month

A vulnerability in certain authentication controls in the account services of Cisco Spark could allow an authenticated, remote attacker to interact with and view information on an affected device. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Conference Director
NVD
EPSS 1% CVSS 7.2
HIGH This Week

A vulnerability in the RADIUS authentication module of Cisco Policy Suite could allow an unauthenticated, remote attacker to be authorized as a subscriber without providing a valid password; however,. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Mobility Services Engine
NVD
EPSS 25% CVSS 5.3
MEDIUM POC PATCH THREAT This Month

Suricata before 4.0.4 is prone to an HTTP detection bypass vulnerability in detect.c and stream-tcp.c. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Debian Debian Linux +2
NVD GitHub Exploit-DB
EPSS 2% CVSS 8.8
HIGH This Week

West Wind Web Server 6.x does not require authentication for /ADMIN.ASP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Web Connection
NVD
EPSS 1% CVSS 7.5
HIGH This Week

System Manager in Avaya Aura before 7.1.2 does not properly use SSL in conjunction with authentication, which allows remote attackers to bypass intended Remote Method Invocation (RMI) restrictions,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

Authentication Bypass Aura Avaya
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

OMRON NS devices 1.1 through 1.3 allow remote attackers to bypass authentication via a direct request to the .html file for a specific screen, as demonstrated by monitor.html. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Ns Series Firmware Omron
NVD
EPSS 0% CVSS 7.5
HIGH This Week

An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. Rated high severity (CVSS 7.5), this vulnerability is no authentication required. No vendor patch available.

Authentication Bypass Extremewireless Wing Extremenetworks
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Wing Extremewireless
NVD
EPSS 3% CVSS 9.8
CRITICAL POC PATCH Act Now

The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. 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 Debian Debian Linux +1
NVD
EPSS 1% CVSS 3.3
LOW Monitor

MantisBT 2.10.0 allows local users to conduct SQL Injection attacks via the vendor/adodb/adodb-php/server.php sql parameter in a request to the 127.0.0.1 IP address. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

PHP Authentication Bypass SQLi +1
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
37883

MITRE ATT&CK

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