How to fix CVE-2024-21632?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Audit authentication configurations and rotate any potentially compromised credentials.

Is Omniauth affected by CVE-2024-21632?

CVE-2024-21632 presents significant security risk, a improper authentication vulnerability rated CVSS 8.6. Attackers could bypass security controls to gain unauthorized access to protected resources and sensitive data.

CVE-2024-21632

HIGH

2024-01-02 [email protected]

Authentication Bypass Microsoft Omniauth

8.6

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

Patch Released

Mar 28, 2026 - 19:33 nvd

Patch available

PoC Detected

Nov 21, 2024 - 08:54 vuln.today

Public exploit code

CVE Published

Jan 02, 2024 - 22:15 nvd

HIGH 8.6

DescriptionNVD

omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Prior to versions 2.0.0, the implementation did not validate the legitimacy of the email attribute of the user nor did it give/document an option to do so, making it susceptible to nOAuth misconfiguration in cases when the email is used as a trusted user identifier. This could lead to account takeover. Version 2.0.0 contains a fix for this issue.

AnalysisAI

omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Prior to versions 2.0.0, the implementation did not validate the legitimacy of the email attribute of the user nor did it give/document an option to do so, making it susceptible to nOAuth misconfiguration in cases when the email is used as a trusted user identifier. This could lead to account takeover. Version 2.0.0 contains a fix for this issue. Affected products include: Recognizeapp Omniauth\. Version information: Version 2.0.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

CVE-2024-21632 vulnerability details – vuln.today

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