CWE-287 4292 CVEs MITRE definition ↗

CWE-287: Improper Authentication

Overview

CWE-287 (Improper Authentication) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.

Security impact
Security impact: Depends on product and context; use CVE records, severity scores, and MITRE guidance to prioritize.

Description

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Applicable platforms

Kind Name Class Prevalence OS / CPE
language Not Language-Specific Undetermined
operating_system Not OS-Specific Undetermined
technology Not Technology-Specific Undetermined
technology Web Based Undetermined
technology ICS/OT Often

Related CVEs in this database

These CVEs are mapped to this weakness in this database and kept for traceability and search.

CVE Published Summary
CVE-2026-10777 2026-06-03 A vulnerability was identified in ealpha072 Student-Management-System up to 01451bd7a2f58cdda07bd0b86e3967582e3ecd08. Affected by this issue is some unknown functionality of the file admin/config.php …
CVE-2026-49448 2026-06-02 authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2…
CVE-2026-49443 2026-06-02 authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured …
CVE-2026-45289 2026-06-02 CloudburstMC Protocol is a protocol library for Minecraft Bedrock Edition. Prior to version 3.0.0.Beta12-20260420.182526-15, CloudburstMC Protocol is partially missing validation for FULL type authent…
CVE-2026-10619 2026-06-02 A vulnerability was detected in sayan365 student-management-system up to 7f3c9ce7d410332335c2affac93a385485051800. This impacts an unknown function. The manipulation results in improper authentication…
CVE-2026-5076 2026-06-02 The ARMember Premium plugin for WordPress is vulnerable to an insecure password reset mechanism in all versions up to, and including, 7.3.1. The plugin stores a plaintext copy of the password reset ke…
CVE-2026-10617 2026-06-02 A security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.11.3. This affects the function resolveAuth of the file internal/http/auth.go of the component Webhook Verification Handle…
CVE-2026-10611 2026-06-02 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=tr…
CVE-2026-8293 2026-06-02 The Really Simple Security WordPress plugin before 9.5.10.1 does not enforce the second-factor challenge in two of its two-factor authentication REST endpoints, allowing an attacker who knows a user'…
CVE-2026-10548 2026-06-02 A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.23. This affects the function _sync_anthropic_entry_from_credentials_file of the file agent/credential_pool.py of the comp…
CVE-2026-40964 2026-06-01 Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and pla…
CVE-2026-10288 2026-06-01 A vulnerability was identified in code-projects Hotel and Tourism Reservation System 1.0. This issue affects the function password_verify of the file /admin/login.php of the component Admin Login. Suc…
CVE-2026-45691 2026-06-01 Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie (created after successful p…
CVE-2026-45690 2026-06-01 Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attac…
CVE-2026-45283 2026-06-01 Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.2, and 33.0.0 to before 33.0.1, the files_lock app did not properly validate the own…
CVE-2026-10283 2026-06-01 A vulnerability was detected in Bottelet DaybydayCRM up to 2.2.1. Affected is an unknown function of the component Setting Handler. Performing a manipulation results in missing authentication. Remote …
CVE-2026-10281 2026-06-01 A weakness has been identified in Enderfga claw-orchestrator up to 3.5.5. This affects the function EmbeddedServer of the file src/embedded-server.ts of the component API Endpoint. This manipulation c…
CVE-2026-45156 2026-06-01 Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed…
CVE-2026-45153 2026-06-01 Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud F…
CVE-2026-10243 2026-06-01 A security vulnerability has been detected in code-projects Smart Parking System 1.0. Affected is an unknown function of the component Admin Endpoint. Such manipulation leads to missing authentication…

Previous names

  • Authentication Issues (2008-04-11)
  • Insufficient Authentication (2009-01-12)

Content submission

Name
PLOVER
Date
2006-07-19
Version
Draft 3

Content modifications

Date Name Version Importance Comment
2008-07-01 Eric Dalci 1.0 updated Time_of_Introduction
2008-08-15 1.0 Suggested OWASP Top Ten 2004 mapping
2008-09-08 CWE Content Team 1.0 updated Alternate_Terms, Common_Consequences, Relationships, Relationship_Notes, Taxonomy_Mappings
2008-10-14 CWE Content Team 1.0.1 updated Relationships
2009-01-12 CWE Content Team 1.2 updated Name
2009-05-27 CWE Content Team 1.4 updated Description, Related_Attack_Patterns
2009-07-27 CWE Content Team 1.5 updated Relationships
2009-10-29 CWE Content Team 1.6 updated Common_Consequences, Observed_Examples
2009-12-28 CWE Content Team 1.7 updated Applicable_Platforms, Common_Consequences, Demonstrative_Examples, Detection_Factors, Likelihood_of_Exploit, References
2010-02-16 CWE Content Team 1.8 updated Alternate_Terms, Detection_Factors, Potential_Mitigations, References, Relationships, Taxonomy_Mappings
2010-06-21 CWE Content Team 1.9 updated Relationships
2011-03-29 CWE Content Team 1.12 updated Relationships
2011-06-01 CWE Content Team 1.13 updated Common_Consequences
2012-05-11 CWE Content Team 2.2 updated Relationships
2013-07-17 CWE Content Team 2.5 updated Relationships
2014-02-18 CWE Content Team 2.6 updated Relationships
2014-06-23 CWE Content Team 2.7 updated Relationships
2014-07-30 CWE Content Team 2.8 updated Detection_Factors, Relationships
2015-12-07 CWE Content Team 2.9 updated Relationships
2017-01-19 CWE Content Team 2.10 updated Relationships
2017-05-03 CWE Content Team 2.11 updated Related_Attack_Patterns, Relationships
2017-11-08 CWE Content Team 3.0 updated Demonstrative_Examples, Likelihood_of_Exploit, Modes_of_Introduction, References, Relationships
2018-03-27 CWE Content Team 3.1 updated References, Relationships
2019-01-03 CWE Content Team 3.2 updated Related_Attack_Patterns
2019-06-20 CWE Content Team 3.3 updated Demonstrative_Examples, Related_Attack_Patterns, Relationships
2019-09-19 CWE Content Team 3.4 updated Relationships
2020-02-24 CWE Content Team 4.0 updated Relationships
2020-08-20 CWE Content Team 4.2 updated Relationships
2020-12-10 CWE Content Team 4.3 updated Relationships
2021-03-15 CWE Content Team 4.4 updated Alternate_Terms, Demonstrative_Examples
2021-07-20 CWE Content Team 4.5 updated Relationships
2021-10-28 CWE Content Team 4.6 updated Relationships
2022-06-28 CWE Content Team 4.8 updated Observed_Examples, Relationships
2022-10-13 CWE Content Team 4.9 updated Applicable_Platforms, Demonstrative_Examples, Observed_Examples, References, Relationships
2023-01-31 CWE Content Team 4.10 updated Description, Maintenance_Notes, Observed_Examples, Taxonomy_Mappings
2023-04-27 CWE Content Team 4.11 updated Demonstrative_Examples, References, Relationships
2023-06-29 CWE Content Team 4.12 updated Mapping_Notes, Relationships
2023-10-26 CWE Content Team 4.13 updated Observed_Examples
2024-02-29 CWE Content Team 4.14 updated Observed_Examples
2024-07-16 CWE Content Team 4.15 updated Diagram
2024-11-19 CWE Content Team 4.16 updated Relationships
2025-04-03 CWE Content Team 4.17 updated Observed_Examples
2025-09-09 CWE Content Team 4.18 updated Demonstrative_Examples, Detection_Factors, References
2025-12-11 CWE Content Team 4.19 updated Applicable_Platforms, Maintenance_Notes, Relationships, Weakness_Ordinalities
2026-01-21 CWE Content Team 4.19.1 updated Relationships
2026-04-30 CWE Content Team 4.20 updated Mapping_Notes

Contributions

Type Name Date Comment
Content Abhi Balakrishnan 2024-02-29 Provided diagram to improve CWE usability
cvelogic Threat Intelligence