CVE-2023-40545

CRITICAL EPSS 56.2%
Published Feb 6, 20242y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Feb 6, 2024 2y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
56.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

Affected Products 1

VendorProductVersionRange
pingidentitypingfederate11.3.0any

References 3

  • docs.pingidentity.com https://docs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236
    Release Notes
  • support.pingidentity.com https://support.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-Bypass
    Permissions Required
  • pingidentity.com https://www.pingidentity.com/en/resources/downloads/pingfederate/previous-releases.html
    Release Notes

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.