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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 (37892)

EPSS 0% CVSS 9.1
CRITICAL Act Now

MEDHOST Document Management System contains hard-coded credentials that are used for customer database access. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass PostgreSQL Medhost Document Management System +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

MetInfo through 5.3.17 accepts the same CAPTCHA response for 120 seconds, which makes it easier for remote attackers to bypass intended challenge requirements by modifying the client-server data. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Metinfo Metinfo Project
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

NetComm Wireless 4GT101W routers with Hardware: 0.01 / Software: V1.1.8.8 / Bootloader: 1.1.3 do not require authentication for logfile.html, status.html, or system_config.html. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass 4Gt101W Software 4Gt101W Bootloader +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to forward traffic from the web proxy interface of an affected. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Web Security Appliance +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Asr 5000 Series Software
NVD
EPSS 17% CVSS 8.8
HIGH POC THREAT Act Now

ZyXEL PK5001Z devices have zyad5001 as the su password, which makes it easier for remote attackers to obtain root access if a non-root account password is known (or a non-root default account exists. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 16.9%.

Authentication Bypass Zyxel Pk5001Z Firmware
NVD Exploit-DB
EPSS 1% CVSS 7.5
HIGH PATCH This Week

s2k.js in OpenPGP.js will decrypt arbitrary messages regardless of passphrase for crafted PGP keys which allows remote attackers to bypass authentication if message decryption is used as an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Openpgpjs
NVD GitHub
EPSS 0% CVSS 9.8
CRITICAL Act Now

MEDHOST Connex contains hard-coded credentials that are used for customer database access. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass IBM Connex +1
NVD
EPSS 0% CVSS 9.8
CRITICAL POC Act Now

The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11 does not properly validate the signature when checking 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 Mediawiki
NVD
EPSS 0% CVSS 7.5
HIGH This Week

A design flaw in SYNO.API.Encryption in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to bypass the encryption protection mechanism via the crafted version parameter. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Synology Diskstation Manager
NVD
EPSS 0% CVSS 7.5
HIGH This Week

debian/tor.init in the Debian tor_0.2.9.11-1~deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Debian Tor
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

A hard-coded account named 'upgrade' in Fortinet FortiWLM 8.3.0 and lower versions allows a remote attacker to log-in and execute commands with 'upgrade' account privileges. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Fortinet Fortiwlm
NVD
EPSS 6% CVSS 9.8
CRITICAL Act Now

Hard-coded credentials in AmosConnect 8 allow remote attackers to gain full administrative privileges, including the ability to execute commands on the Microsoft Windows host platform with SYSTEM. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Inmarsat +1
NVD
EPSS 0% CVSS 9.1
CRITICAL Act Now

WG-C10 v3.0.79 and earlier allows an attacker to bypass access restrictions to obtain or alter information stored in the external storage connected to the product via unspecified vectors. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Wg C10 Firmware Sony
NVD
EPSS 13% CVSS 9.8
CRITICAL Act Now

WAPM-1166D firmware Ver.1.2.7 and earlier, WAPM-APG600H firmware Ver.1.16.1 and earlier allows remote attackers to bypass authentication and access the configuration interface via unspecified vectors. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 13.5% and no vendor patch available.

Authentication Bypass Wapm 1166D Firmware Wapm Apg600H Firmware +1
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Sensitive data can be exposed in the IBM TRIRIGA Application Platform 3.3, 3.4, and 3.5 that can lead to an attacker gaining unauthorized access to the system. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

Authentication Bypass Information Disclosure IBM +1
NVD
EPSS 0% CVSS 9.8
CRITICAL POC Act Now

Green Packet DX-350 Firmware version v2.8.9.5-g1.4.8-atheeb has a default password of admin for the admin account. 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 Dx 350 Firmware Greenpacket
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

An issue was discovered in certain Apple products. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apple Mac Os X
NVD
EPSS 3% CVSS 5.5
MEDIUM POC This Month

An issue was discovered in certain Apple products. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Apple Microsoft +4
NVD Exploit-DB
EPSS 0% CVSS 5.5
MEDIUM This Month

An issue was discovered in certain Apple products. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

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

Televes COAXDATA GATEWAY 1Gbps devices doc-wifi-hgw_v1.02.0014 4.20 do not check password.shtml authorization, leading to Arbitrary password change. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Coaxdata Gateway 1Gbps Firmware Televes
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

D-Link DIR-615 before v20.12PTb04 has a second admin account with a 0x1 BACKDOOR value, which might allow remote attackers to obtain access via a TELNET connection. 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 Dir 615
NVD
EPSS 20% 4.1 CVSS 9.8
CRITICAL POC THREAT Emergency

The Humax Wi-Fi Router model HG100R-* 2.0.6 is prone to an authentication bypass vulnerability via specially crafted requests to the management console. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 19.7%.

Authentication Bypass Information Disclosure Hg100R Firmware +1
NVD Exploit-DB
EPSS 16% CVSS 9.8
CRITICAL Act Now

EMC ViPR SRM, EMC Storage M&R, EMC VNX M&R, EMC M&R for SAS Solution Packs (EMC ViPR SRM prior to 4.1, EMC Storage M&R prior to 4.1, EMC VNX M&R all versions, EMC M&R (Watch4Net) for SAS Solution. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 15.6% and no vendor patch available.

Authentication Bypass Dell Emc M R +3
NVD
EPSS 1% CVSS 5.9
MEDIUM This Month

In EMC RSA Authentication Manager 8.2 SP1 Patch 1 and earlier, a malicious user logged into the Self-Service Console of RSA Authentication Manager as a target user can use a brute force attack to. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Rsa Authentication Manager Emc
NVD
EPSS 3% CVSS 10.0
CRITICAL Act Now

The Integrated User Firewall (UserFW) feature was introduced in Junos OS version 12.1X47-D10 on the Juniper SRX Series devices to provide simple integration of user profiles on top of the existing. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Juniper Junos
NVD
EPSS 0% CVSS 8.8
HIGH This Week

An insufficient authentication vulnerability on platforms where Junos OS instances are run in a virtualized environment, may allow unprivileged users on the Junos OS instance to gain access to the. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Juniper Junos
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

A specific device configuration can result in a commit failure condition. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Juniper Junos
NVD
EPSS 0% CVSS 8.1
HIGH This Week

Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Phpcas Apereo
NVD GitHub
EPSS 0% CVSS 7.5
HIGH This Week

TestTrack Server versions 1.0 and earlier are vulnerable to an authentication flaw in the split disablement feature resulting in the ability to disable arbitrary running splits and cause denial of. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Denial Of Service Testtrack
NVD GitHub
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Kubernetes version 1.5.0-1.5.4 is vulnerable to a privilege escalation in the PodSecurityPolicy admission plugin resulting in the ability to make use of any existing PodSecurityPolicy object. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Authentication Bypass Privilege Escalation Kubernetes
NVD GitHub
EPSS 0% CVSS 7.8
HIGH This Week

Elixir Plug before v1.0.4, v1.1.7, v1.2.3 and v1.3.2 is vulnerable to null byte injection in the Plug.Static component, which may allow users to bypass filetype restrictions. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Plug Plug Project
NVD
EPSS 4% CVSS 9.8
CRITICAL Act Now

Oracle, GlassFish Server Open Source Edition 3.0.1 (build 22) is vulnerable to Java Key Store Password Disclosure vulnerability, that makes it possible to provide an unauthenticated attacker plain. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

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

SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Embedded Web Servers Ecos
NVD
EPSS 0% CVSS 7.0
HIGH This Week

discovery-debug in Foreman before 6.2 when the ssh service has been enabled on discovered nodes displays the root password in plaintext in the system journal when used to log in, which allows local. Rated high severity (CVSS 7.0). No vendor patch available.

Authentication Bypass Red Hat Satellite
NVD
EPSS 0% CVSS 6.2
MEDIUM This Month

Android 6.0 has an authentication bypass for attackers with root and physical access. Rated medium severity (CVSS 6.2), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Privilege Escalation Google +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

IBM Emptoris Strategic Supply Management Platform 10.0.0.x through 10.1.1.x is vulnerable to a denial of service attack. Rated high severity (CVSS 7.5), 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 Denial Of Service IBM +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

AVG AntiVirus for MacOS with scan engine before 4668 might allow remote attackers to bypass malware detection by leveraging failure to scan inside disk image (aka DMG) files. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apple Anti Virus +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Exploitation of Authentication vulnerability in the web interface in McAfee Advanced Threat Defense (ATD) 3.10, 3.8, 3.6, 3.4 allows remote unauthenticated users / remote attackers to bypass ATD. 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 Advanced Threat Defense Mcafee
NVD
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Authentication Bypass vulnerability in the web interface in McAfee Advanced Threat Defense (ATD) 3.10, 3.8, 3.6, 3.4 allows remote unauthenticated users / remote attackers to change or update any. Rated critical severity (CVSS 9.8), 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 Advanced Threat Defense Mcafee
NVD
EPSS 17% CVSS 6.5
MEDIUM PATCH This Month

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to trick a user into loading a page with malicious content when the Edge Content Security. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 16.8%.

Authentication Bypass Microsoft Edge
NVD
EPSS 16% CVSS 7.5
HIGH PATCH Act Now

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. Epss exploitation probability 16.4%.

Authentication Bypass Microsoft Windows Server 2008 +6
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

On iSmartAlarm cube devices, there is authentication bypass leading to remote execution of commands (e.g., setting the alarm on/off), related to incorrect cryptography. 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 Cubeone Firmware Ismartalarm
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

It was noticed that a malicious process impersonating an Impala daemon in Apache Impala (incubating) 2.7.0 to 2.8.0 could cause Impala daemons to skip authentication checks when Kerberos is enabled. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apache Microsoft +1
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

In PHP before 5.6.28 and 7.x before 7.0.13, incorrect handling of various URI components in the URL parser could be used by attackers to bypass hostname-specific URL checks, as demonstrated by. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

PHP Authentication Bypass
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

EMC ESRS Policy Manager prior to 6.8 contains an undocumented account (OpenDS admin) with a default password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Esrs Policy Manager Emc
NVD
EPSS 2% CVSS 5.9
MEDIUM POC PATCH This Month

Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

Authentication Bypass Debian Debian Linux +1
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Red Hat 3scale (aka RH-3scale) API Management Platform (AMP) before 2.0.0 would permit creation of an access token without a client secret. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Red Hat 3Scale Api Management Platform
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Apache Solr uses a PKI based mechanism to secure inter-node communication when security is enabled. Rated high severity (CVSS 7.5), 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 Apache Solr
NVD
EPSS 4% CVSS 8.1
HIGH This Week

An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Siemens Simatic Cp 44X 1 Redundant Network Access Modules
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier uses hard-coded credentials, which may allow attackers. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Hem Gw16A Firmware Hem Gw26A Firmware +1
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Hem Gw16A Firmware Hem Gw26A Firmware +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

HOME SPOT CUBE2 firmware V101 and earlier allows an attacker to bypass authentication to load malicious firmware via WebUI. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Home Spot Cube 2 Firmware Kddi
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

On the D-Link DIR-615 before v20.12PTb04, once authenticated, this device identifies the user based on the IP address of his machine. 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 D-Link Dir 615
NVD
EPSS 0% CVSS 9.1
CRITICAL Act Now

A vulnerability in the Ultra Automation Service (UAS) of the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to gain unauthorized access to a targeted device. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Apache Cisco +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

IBM Security Guardium 10.0 does not prove or insufficiently proves that the actors identity is correct which can lead to exposure of resources or functionality to unintended actors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass IBM Security Guardium
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

IBM Security Guardium 10.0 and 10.1 does not perform an authentication check for a critical resource or functionality allowing anonymous users access to protected areas. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass IBM Security Guardium
NVD
EPSS 0% CVSS 8.8
HIGH PATCH This Week

In Odoo 8.0, Odoo Community Edition 9.0 and 10.0, and Odoo Enterprise Edition 9.0 and 10.0, incorrect access control on OAuth tokens in the OAuth module allows remote authenticated users to hijack. Rated high severity (CVSS 8.8), 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 Odoo
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL POC PATCH Act Now

In Odoo 8.0, Odoo Community Edition 9.0 and 10.0, and Odoo Enterprise Edition 9.0 and 10.0, remote attackers can bypass authentication under certain circumstances because parameters containing 0x00. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Authentication Bypass Odoo
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL Act Now

JabberD 2.x (aka jabberd2) before 2.6.1 allows anyone to authenticate using SASL ANONYMOUS, even when the sasl.anonymous c2s.xml option is not enabled. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Jabberd2
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

An issue was discovered on Humax Digital HG100R 2.0.6 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 Hg100R Firmware Humaxdigital
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

A vulnerability in the Extensible Messaging and Presence Protocol (XMPP) service of Cisco Unified Contact Center Express (UCCx) could allow an unauthenticated, remote attacker to masquerade as a. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Unified Contact Center Express
NVD
EPSS 1% CVSS 5.9
MEDIUM This Month

A vulnerability in the web application in the Cisco Prime Collaboration Provisioning tool could allow an unauthenticated, remote attacker to hijack another user's session. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Cisco Prime Collaboration Provisioning
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

An Improper Authentication issue was discovered in Newport XPS-Cx and XPS-Qx. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Xps Cx Firmware Xps Qx Firmware
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

On TP-Link NC250 devices with firmware through 1.2.1 build 170515, anyone can view video and audio without authentication via an rtsp://admin@yourip:554/h264_hd.sdp URL. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass TP-Link Nc250 Firmware
NVD GitHub
EPSS 0% CVSS 6.8
MEDIUM This Month

The lockscreen on Elephone P9000 devices (running Android 6.0) allows physically proximate attackers to bypass a wrong-PIN lockout feature by pressing backspace after each PIN guess. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Google Android
NVD
EPSS 8% CVSS 9.8
CRITICAL Act Now

An Improper Authorization issue was discovered in Sierra Wireless AirLink Raven XE, all versions prior to 4.0.14, and AirLink Raven XT, all versions prior to 4.0.11. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass File Upload Airlink Raven Xe Firmware +2
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

An Authentication Bypass by Capture-Replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Schneider Electric
NVD VulDB GitHub
EPSS 1% CVSS 9.8
CRITICAL Act Now

A hard-coded password issue was discovered in Becton, Dickinson and Company (BD) PerformA, Version 2.0.14.0 and prior versions, and KLA Journal Service, Version 1.0.51 and prior versions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Performa Kla Journal Service +1
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

A Hard-Coded Passwords issue was discovered in Marel Food Processing Systems M3000 terminal associated with the following systems: A320, A325, A371, A520 Master, A520 Slave, A530, A542, A571, Check. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass A320 Firmware A325 Firmware +21
NVD
EPSS 2% CVSS 8.1
HIGH This Week

Azure AD Connect Password writeback, if misconfigured during enablement, allows an attacker to reset passwords and gain unauthorized access to arbitrary on-premises AD privileged user accounts aka. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Microsoft Azure Active Directory Connect
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Authorization Bypass in the Web interface of Arcadyan SLT-00 Star* (aka Swisscom Internet-Box) devices before R7.7 allows unauthorized reconfiguration of the static routing table via an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Denial Of Service Information Disclosure +2
NVD
EPSS 0% CVSS 7.8
HIGH This Week

rhscon-ceph in Red Hat Storage Console 2 x86_64 and Red Hat Storage Console Node 2 x86_64 allows local users to obtain the password as cleartext. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Red Hat Storage Console +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

elog 3.1.1 allows remote attackers to post data as any username in the logbook. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Fedora Elog +2
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

FreeIPA 4.4.0 allows remote attackers to request an arbitrary SAN name for services. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Freeipa
NVD
EPSS 1% CVSS 8.4
HIGH This Week

The glance-manage db in all versions of HPE Helion Openstack Glance allows deleted image ids to be reassigned, which allows remote authenticated users to cause other users to boot into a modified. Rated high severity (CVSS 8.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass HP Helion Openstack Glance
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

stalin 0.11-5 allows local users to write to arbitrary files. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Stalin
NVD
EPSS 0% CVSS 5.5
MEDIUM POC This Month

Samsung Gallery in the Samsung Galaxy S6 allows local users to cause a denial of service (process crash). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Denial Of Service Samsung +1
NVD Exploit-DB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

Samsung Gallery on the Samsung Galaxy S6 allows local users to cause a denial of service (process crash). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Denial Of Service Samsung +1
NVD Exploit-DB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

The MessageStatusReceiver service in the AndroidManifest.XML in Android 5.1.1 and earlier allows local users to alter sent/received statuses of SMS and MMS messages without the associated "WRITE_SMS". Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Google Android
NVD
EPSS 3% CVSS 9.8
CRITICAL PATCH Act Now

The custom authentication realm used by karaf-tomcat's "opendaylight" realm in Opendaylight before Helium SR3 will authenticate any username and password combination. 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 Tomcat Opendaylight
NVD
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

IBM API Connect 5.0.0.0 - 5.0.6.0 could allow a remote attacker to bypass security restrictions of the api, caused by improper handling of security policy. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass IBM Api Connect
NVD
EPSS 0% CVSS 7.3
HIGH This Week

The Symantec Messaging Gateway, when processing a specific email attachment, can allow a malformed or corrupted Word file with a potentially malicious macro through despite the administrator having. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Symantec Messaging Gateway
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

In EMC Avamar Server Software 7.3.1-125, 7.3.0-233, 7.3.0-226, 7.2.1-32, 7.2.1-31, 7.2.0-401, an unauthenticated remote attacker may potentially bypass the authentication process to gain access to. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Avamar Server Emc
NVD
EPSS 42% 4.1 CVSS 6.8
MEDIUM POC THREAT This Month

An Improper Access Control issue was discovered in Cambium Networks ePMP. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 42.2%.

Authentication Bypass Epmp 1000 Firmware Epmp Elevate Firmware +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Hard-coded FTP credentials (r:r) are included in the Foscam C1 running firmware 1.9.1.12. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass C1 Webcam Firmware Foscam
NVD
EPSS 10% CVSS 9.8
CRITICAL PATCH Act Now

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules outside of the authentication phase may lead to authentication requirements being. 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 Apache Apple +19
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In Lenovo XClarity Administrator (LXCA) before 1.3.0, if service data is downloaded from LXCA, a non-administrative user may have access to password information for users that have previously. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Authentication Bypass Lenovo Xclarity Administrator
NVD
EPSS 3% CVSS 9.8
CRITICAL POC Act Now

WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to. 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 Zyxel Mediatek +17
NVD
EPSS 0% CVSS 7.8
HIGH This Week

The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the size), but does not take the argument and environment. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Linux Linux Kernel
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
37892

MITRE ATT&CK

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