CVE-2023-36820

MEDIUM EPSS 35.9%
Published Oct 9, 20232y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Oct 9, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
35.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-284

Affected Products 11

VendorProductVersionRange
objectcomputingmicronaut_security* <3.1.2
objectcomputingmicronaut_security*≥3.2.0  –  <3.2.4
objectcomputingmicronaut_security*≥3.3.0  –  <3.3.2
objectcomputingmicronaut_security*≥3.4.0  –  <3.4.3
objectcomputingmicronaut_security*≥3.5.0  –  <3.5.3
objectcomputingmicronaut_security*≥3.6.0  –  <3.6.6
objectcomputingmicronaut_security*≥3.7.0  –  <3.7.4
objectcomputingmicronaut_security*≥3.8.0  –  <3.8.4
objectcomputingmicronaut_security*≥3.9.0  –  <3.9.6
objectcomputingmicronaut_security*≥3.10.0  –  <3.10.2
objectcomputingmicronaut_security3.11.0any

References 2

  • github.com https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980
    Patch
  • github.com https://github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-8w9r-864h
    ExploitMitigationThird Party Advisory

Remediation

  • github.com https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980
    Patch