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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (36.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
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
- github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-… (Exploit, Third Party Advisory, Mitigation)
- github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf2… (Patch)
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.