Vulnerability in Micronaut-Projects Micronaut-Security
CVE-2023-36820
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.
EPSS: 0.004 (36.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Micronaut-projects Micronaut-security — versions >= 3.11.0, < 3.11.1, >= 3.10.0, < 3.10.2, >= 3.9.0, < 3.9.6
- Objectcomputing Micronaut_security — versions 3.11.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Mitigation)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-36820?
- CVE-2023-36820 is a medium-severity vulnerability in Micronaut-Projects Micronaut-Security, classified under Improper Access Control. CVSS score: 4.8/10. Published 2023-10-09.
- How severe is CVE-2023-36820?
- Medium severity. CVSS v3 base score is 4.8 out of 10.