CWE-287— Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.— MITRE CWE catalog
5,458 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-287page 2 of 110
- CVE-2024-49039CRITICALCVSS 8.8EG 9.0⚠ KEV2024-11-12
Windows Task Scheduler Elevation of Privilege Vulnerability
- CVE-2021-27878CRITICALCVSS 8.8EG 9.0⚠ KEV2021-03-01
An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability i…
- CVE-2020-0688CRITICALCVSS 8.8EG 9.0⚠ KEV2020-02-11
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
- CVE-2026-59822CRITICALCVSS 8.2EG 9.0⚠ KEV2026-07-08
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2…
- CVE-2023-46805CRITICALCVSS 8.2EG 9.0⚠ KEV2024-01-12
An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure allows a remote attacker to access restricted resources by bypassing control checks.
- CVE-2021-32648CRITICALCVSS 8.2EG 9.0⚠ KEV2021-08-26
octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can request an account password reset and then gain access to the account using a specially crafted request. Th…
- CVE-2025-3935CRITICALCVSS 8.1EG 9.0⚠ KEV2025-04-25
ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection attack. ASP.NET Web Forms use ViewState to preserve page and control state, with data encoded using Base64 protected by machine keys. It …
- CVE-2021-27876CRITICALCVSS 8.1EG 9.0⚠ KEV2021-03-01
An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability i…
- CVE-2022-0492CRITICALCVSS 7.8EG 9.0⚠ KEV2022-03-03
A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges a…
- CVE-2021-38648CRITICALCVSS 7.8EG 9.0⚠ KEV2021-09-15
Open Management Infrastructure Elevation of Privilege Vulnerability
- CVE-2019-0543CRITICALCVSS 7.8EG 9.0⚠ KEV2019-01-08
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows S…
- CVE-2026-42018CRITICALCVSS 7.5EG 9.0⚠ KEV2026-08-12
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- CVE-2025-61884CRITICALCVSS 7.5EG 9.0⚠ KEV2025-10-12
Vulnerability in the Oracle Configurator product of Oracle E-Business Suite (component: Runtime UI). Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network ac…
- CVE-2025-34026CRITICALCVSS 7.5EG 9.0⚠ KEV2025-05-21
The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged…
- CVE-2023-27351CRITICALCVSS 7.5EG 9.0⚠ KEV2023-04-20
This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRe…
- CVE-2021-33766CRITICALCVSS 7.5EG 9.0⚠ KEV2021-07-14
Microsoft Exchange Server Information Disclosure Vulnerability
- CVE-2020-5849CRITICALCVSS 7.5EG 9.0⚠ KEV2020-03-16
Unraid 6.8.0 allows authentication bypass.
- CVE-2022-48618CRITICALCVSS 7.0EG 9.0⚠ KEV2024-01-09
The issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.1, watchOS 9.2, iOS 16.2 and iPadOS 16.2, tvOS 16.2. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. A…
- CVE-2024-37085CRITICALCVSS 6.8EG 9.0⚠ KEV2024-06-25
VMware ESXi contains an authentication bypass vulnerability. A malicious actor with sufficient Active Directory (AD) permissions can gain full access to an ESXi host that was previously configured to use AD for user management https://bl…
- CVE-2025-49706CRITICALCVSS 6.5EG 9.0⚠ KEV2025-07-08
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- CVE-2020-8193CRITICALCVSS 6.5EG 9.0⚠ KEV2020-07-10
Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to cer…
- CVE-2020-8196CRITICALCVSS 4.3EG 9.0⚠ KEV2020-07-10
Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information dis…
- CVE-2023-20867CRITICALCVSS 3.9EG 9.0⚠ KEV2023-06-13
A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.
- CVE-2022-23134CRITICALCVSS 3.7EG 9.0⚠ KEV2022-01-13
After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Fro…
- CVE-2026-101077CRITICALCVSS 10.0EG 10.02026-09-28
A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp Handler. This manipulation causes missing authentication. The attack is possible to be carried out remotely. The exploi…
- CVE-2026-100886CRITICALCVSS 10.0EG 10.02026-09-27
A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected element is an unknown function of the component Debug Service. Such manipulation leads to improper authentication. The attack …
- CVE-2026-77244CRITICALCVSS 10.0EG 10.02026-09-22
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, the HTTP transport accepts requests without a verified user identity and downstream fetcher construction falls back to th…
- CVE-2026-94493CRITICALCVSS 10.0EG 10.02026-09-22
A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of the file /index.html of the component WebSocket Service. The manipulation results in missing authentication. The attack ca…
- CVE-2026-83099CRITICALCVSS 10.0EG 10.02026-09-15
Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that are affected are 12.2.1.19.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticate…
- CVE-2026-83059CRITICALCVSS 10.0EG 10.02026-09-15
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated …
- CVE-2026-83021CRITICALCVSS 10.0EG 10.02026-09-15
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthent…
- CVE-2026-83020CRITICALCVSS 10.0EG 10.02026-09-15
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability all…
- CVE-2026-71133CRITICALCVSS 10.0EG 10.02026-09-15
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticate…
- CVE-2026-76658CRITICALCVSS 10.0EG 10.02026-09-01
A vulnerability has been identified in the SSH daemon of HPE Networking Fabric Composer that could allow an unauthenticated remote attacker to gain administrative access to vulnerable AFC hosts. Successful exploitation could allow an attac…
- CVE-2026-76657CRITICALCVSS 10.0EG 10.02026-09-01
Vulnerabilities have been identified in the API of HPE Networking Fabric Composer that could potentially allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attack…
- CVE-2026-82695CRITICALCVSS 10.0EG 10.02026-08-31
A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remot…
- CVE-2026-82694CRITICALCVSS 10.0EG 10.02026-08-31
A vulnerability was identified in Tenda AC1206 15.03.06.23. This issue affects the function R7WebsSecurityHandler of the file /goform/ate of the component Web UI. The manipulation leads to missing authentication. The attack can be initiate…
- CVE-2026-82693CRITICALCVSS 10.0EG 10.02026-08-31
A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible…
- CVE-2026-78167CRITICALCVSS 10.0EG 10.02026-08-24
A weakness has been identified in EFM ipTIME T16000M 14.20.2. The impacted element is the function httpcon_check_session_url of the component Session Validation Handler. This manipulation causes improper authentication. Remote exploitation…
- CVE-2026-20317CRITICALCVSS 10.0EG 10.02026-08-19
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that a…
- CVE-2026-19977CRITICALCVSS 10.0EG 10.02026-08-17
A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitatio…
- CVE-2026-59500CRITICALCVSS 10.0EG 10.02026-08-13
: Improper Authentication vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwal…
- CVE-2024-27253CRITICALCVSS 10.0EG 10.02026-08-12
IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to perform unauthorized activities.
- CVE-2026-56162CRITICALCVSS 10.0EG 10.02026-08-06
Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-56191CRITICALCVSS 10.0EG 10.02026-07-24
Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.
- CVE-2026-57216CRITICALCVSS 10.0EG 10.02026-07-10
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, AMQP 0-9-1, AMQP 1.0, and Stream Protocol authentication can allow a loopback-restricted user such as guest to connect remotely when traffic is acce…
- CVE-2026-45480CRITICALCVSS 10.0EG 10.02026-06-19
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-10611CRITICALCVSS 10.0EG 10.02026-06-02
An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement. In deployments configured with LdapAuth.mixedAuth=true and Security.require_otp=true, users authenticated through an auth…
- CVE-2026-46840CRITICALCVSS 10.0EG 10.02026-05-28
Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compro…
- CVE-2026-42822CRITICALCVSS 10.0EG 10.02026-05-18
Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.
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