CVE-2023-40545

PingFederate OAuth client_secret_jwt Authentication Bypass

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Affected: Ping Identity PingFederate
Published at:
Updated at:

References

Link Tags
https://support.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-Bypass permissions required
https://www.pingidentity.com/en/resources/downloads/pingfederate/previous-releases.html release notes
https://docs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236 release notes

Frequently Asked Questions

What is the severity of CVE-2023-40545?
CVE-2023-40545 has been scored as a high severity vulnerability.
How to fix CVE-2023-40545?
To fix CVE-2023-40545, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40545 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40545 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40545?
CVE-2023-40545 affects Ping Identity PingFederate.
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