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CVE-2023-40545
PingFederate OAuth client_secret_jwt Authentication Bypass
High8.8EPSS 0.93%
- Published
- Updated
- Reserved
- Assigned by
- Ping Identity
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| Ping IdentityCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.93% · top 39% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
- affected 11.3.0 – ≤ 11.3.2
References (3)
- https://support.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-Bypass (opens in a new tab)x_transferred
- https://www.pingidentity.com/en/resources/downloads/pingfederate/previous-releases.html (opens in a new tab)x_transferred
- https://docs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-40545)Record last updated .