Home/CVE/Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 ve
CVE

CVE-2023-40545

Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 ve

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

HIGH · CVSS 8.8 EPSS 0.00118
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

1
pingidentity pingfederateall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · responsible-disclosure@pingidentity.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Feb 2024 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236Release Notes
https://support.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-BypassPermissions Required
https://www.pingidentity.com/en/resources/downloads/pingfederate/previous-releases.htmlRelease Notes
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