CVE-2023-36820 is a medium-severity vulnerability in Micronaut Security versions prior to 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. The vulnerability stems from the IdTokenClaimsValidator incorrectly skipping the "aud" claim validation when an OIDC token is issued by the same identity provider, potentially allowing unauthorized token sharing between different OIDC applications. With a CVSS score of 6.5 (Medium), this flaw has a network attack vector and low impact on confidentiality and integrity, with no authentication required for exploitation. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.1.2CPE matchmatch criteria | cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:* | ||
>= 3.2.0, < 3.2.4CPE matchmatch criteria | cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:* | ||
>= 3.3.0, < 3.3.2CPE matchmatch criteria | cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:* | ||
>= 3.4.0, < 3.4.3CPE matchmatch criteria | cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:* | ||
>= 3.5.0, < 3.5.3CPE matchmatch criteria | cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
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