CWEweakness

CWE-302 Authentication Bypass by Assumed-Immutable Data

Official page ↗
Abstraction
Base
Structure
Simple
Status
Incomplete
Languages
Not Language-Specific
CWE version
5.0

Description

The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.

Common consequences

• Access Control: Bypass Protection Mechanism

Potential mitigations

• [Architecture and Design, Operation, Implementation] Implement proper protection for immutable data (e.g. environment variable, hidden form fields, etc.)

Observed examples

• CVE-2002-0367: DebPloit • CVE-2004-0261: Web auth • CVE-2002-1730: Authentication bypass by setting certain cookies to "true". • CVE-2002-1734: Authentication bypass by setting certain cookies to "true". • CVE-2002-2064: Admin access by setting a cookie. • CVE-2002-2054: Gain privileges by setting cookie. • CVE-2004-1611: Product trusts authentication information in cookie. • CVE-2005-1708: Authentication bypass by setting admin-testing variable to true. • CVE-2005-1787: Bypass auth and gain privileges by setting a variable.

Related

Attack pattern · CAPEC (8)

  • CAPEC-10 Buffer Overflow via Environment Variables attack pattern
  • CAPEC-13 Subverting Environment Variable Values attack pattern
  • CAPEC-21 Exploitation of Trusted Identifiers attack pattern
  • CAPEC-274 HTTP Verb Tampering attack pattern
  • CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies attack pattern
  • CAPEC-39 Manipulating Opaque Client-based Data Tokens attack pattern
  • CAPEC-45 Buffer Overflow via Symbolic Links attack pattern
  • CAPEC-77 Manipulating User-Controlled Variables attack pattern

Observed example · CVE (9)

  • CVE-2005-1787 setup.php in phpStat 1.5 allows remote attackers to bypass authentication and gain administrator privileges by setting the $check variable. vulnerability
  • CVE-2005-1708 templates.admin.users.user_form_processing in Blue Coat Reporter before 7.1.2 allows authenticated users to gain administrator privileges… vulnerability
  • CVE-2004-0261 oj.cgi in OpenJournal 2.0 through 2.0.5 allows remote attackers to bypass authentication and access the control panel via a 0 in the uid… vulnerability
  • CVE-2004-1611 SalesLogix 6.1 does not verify if a user is authenticated before performing sensitive operations, which could allow remote attackers to (1)… vulnerability
  • CVE-2002-1730 ASPjar Guestbook 1.00 allows remote attackers to delete arbitrary messages accessing the delete.asp administrative script with certain… vulnerability
  • CVE-2002-1734 NewsPro 1.01 allows remote attackers to gain unauthorized administrator access by setting their authentication cookie to "logged,true". vulnerability
  • CVE-2002-2054 TeeKai Forum 1.2 allows remote attackers to authenticate as the administrator and and gain privileged web forum access by setting the… vulnerability
  • CVE-2002-2064 isadmin.php in PhpWebGallery 1.0 allows remote attackers to gain administrative access via by setting the photo_login cookie to pseudo. vulnerability
  • CVE-2002-0367 smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which… vulnerability

Child of · CWE (2)

  • CWE-1390 Weak Authentication weakness
  • CWE-807 Reliance on Untrusted Inputs in a Security Decision weakness

Referenced by CAPEC · weakness (8)

  • CAPEC-10 Buffer Overflow via Environment Variables attack pattern
  • CAPEC-13 Subverting Environment Variable Values attack pattern
  • CAPEC-21 Exploitation of Trusted Identifiers attack pattern
  • CAPEC-274 HTTP Verb Tampering attack pattern
  • CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies attack pattern
  • CAPEC-39 Manipulating Opaque Client-based Data Tokens attack pattern
  • CAPEC-45 Buffer Overflow via Symbolic Links attack pattern
  • CAPEC-77 Manipulating User-Controlled Variables attack pattern

Referenced by CVE · weakness (46)

  • CVE-2026-80092 Authentication bypass by assumed-immutable data in Microsoft Identity Web allows an authorized attacker to elevate privileges over a… vulnerability
  • CVE-2026-84731 An unauthenticated remote attacker can bypass authentication and gain full access to administrative API endpoints in Nutanix Prism Element… vulnerability
  • CVE-2026-61682 kcp is a Kubernetes-like control plane for form-factors and use-cases beyond Kubernetes and container workloads. vulnerability
  • CVE-2026-77508 Weblate is a web based localization tool. vulnerability
  • CVE-2026-13267 IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access… vulnerability
  • CVE-2026-5423 @neo4j/graphql library versions prior to 7.5.6 fail to verify the authenticity of a client-supplied, pre-decoded JWT object passed through… vulnerability
  • CVE-2026-47303 Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network. vulnerability
  • CVE-2026-50528 Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network. vulnerability
  • CVE-2026-48117 DroneAware is a drone detection platform. vulnerability
  • CVE-2026-48781 Postiz is an AI social media scheduling tool. vulnerability
  • CVE-2026-34460 NamelessMC is website software for Minecraft servers. vulnerability
  • CVE-2025-43992 Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an authentication bypass by… vulnerability
  • CVE-2026-28510 eLabFTW is an open source electronic lab notebook. vulnerability
  • CVE-2026-40285 WeGIA is a web manager for charitable institutions. vulnerability
  • CVE-2026-39429 kcp is a Kubernetes-like control plane for form-factors and use-cases beyond Kubernetes and container workloads. vulnerability
  • CVE-2026-27840 ZITADEL is an open source identity management platform. vulnerability
  • CVE-2024-45370 An authentication bypass vulnerability exists in the User profile management functionality of Socomec Easy Config System 2.6.1.0. vulnerability
  • CVE-2025-63210 The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is vulnerable to an authentication bypass. vulnerability
  • CVE-2025-8855 Authorization Bypass Through User-Controlled Key, Weak Password Recovery Mechanism for Forgotten Password, Authentication Bypass by… vulnerability
  • CVE-2025-47158 Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network. vulnerability
  • CVE-2025-20285 A vulnerability in the IP Access Restriction feature of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to bypass… vulnerability
  • CVE-2025-46647 A vulnerability of plugin openid-connect in Apache APISIX. vulnerability
  • CVE-2025-29813 Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network. vulnerability
  • CVE-2025-26522 This vulnerability exists in RupeeWeb trading platform due to improper implementation of OTP validation mechanism in certain API endpoints. vulnerability
  • CVE-2025-24876 The SAP Approuter Node.js package version v16.7.1 and before is vulnerable to Authentication bypass. vulnerability
  • CVE-2024-56404 In One Identity Identity Manager 9.x before 9.3, an insecure direct object reference (IDOR) vulnerability allows privilege escalation. vulnerability
  • CVE-2024-12838 The passwordless login mechanism in CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability, allowing remote… vulnerability
  • CVE-2024-43441 Authentication Bypass by Assumed-Immutable Data vulnerability in Apache HugeGraph-Server. vulnerability
  • CVE-2024-8475 Authentication Bypass by Assumed-Immutable Data vulnerability in Digital Operation Services WiFiBurada allows Manipulating User-Controlled… vulnerability
  • CVE-2024-49056 Authentication bypass by assumed-immutable data on airlift.microsoft.com allows an authorized attacker to elevate privileges over a network. vulnerability
Show all 46 ›

Referenced by OWASP · mapped cwe (2)

  • A07:2025 Authentication Failures Top 10 2025
  • A07:2021 Identification and Authentication Failures Top 10 2021