High severity8.8NVD Advisory· Published Feb 6, 2024· Updated Jun 17, 2026

CVE-2023-40545

Description

Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Pingidentity/Pingfederate3 versions
cpe:2.3:a:pingidentity:pingfederate:11.3.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:pingidentity:pingfederate:11.3.0:*:*:*:*:*:*:*
- (no CPE)range: <11.3
- (no CPE)range: 11.3.0

Patches

Vulnerability mechanics

References

docs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236nvdRelease Notes
support.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-BypassnvdPermissions Required
www.pingidentity.com/en/resources/downloads/pingfederate/previous-releases.htmlnvdRelease Notes

News mentions

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cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000