CVE-2023-36820 - CVE House
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Status published Medium CVE-2023-36820

micronaut security has invalid IdTokenClaimsValidator logic on aud

Vulnerability Description

Micronaut Security is a security solution for applications. Prior to versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1, IdTokenClaimsValidator skips `aud` claim validation if token is issued by same identity issuer/provider. Any OIDC setup using Micronaut where multiple OIDC applications exists for the same issuer but token auth are not meant to be shared. This issue has been patched in versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

micronaut-projects

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Affected Software

micronaut-security
Vulnerable Versions:
>= 3.11.0, < 3.11.1, >= 3.10.0, < 3.10.2, >= 3.9.0, < 3.9.6, >= 3.8.0, < 3.8.4, >= 3.7.0, < 3.7.4, >= 3.6.0, < 3.6.6, >= 3.5.0, < 3.5.3, >= 3.4.0, < 3.4.3, >= 3.3.0, < 3.3.2, >= 3.2.0, < 3.2.4, >= 3.1.0, < 3.1.2

Timeline

Official Publish: October 9th, 2023
Last Modified: September 19th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses (CWE)