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CVE-2023-36820

MEDIUMCVSS 6.5/10EPSS 0.45%

Last modified

CVE-2023-36820 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
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 Security3.11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-36820?
CVE-2023-36820 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2023-36820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST