by Kastro
Paper/Archive/CVE-2023-40545

CVE-2023-40545

Ping Identity PingFederate — PingFederate OAuth client_secret_jwt Authentication Bypass

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.7.607 × 2012.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
PingFederate11.3.0 – 11.3.2–CNA
pingfederate11.3.0 – 11.3.2–CISA-ADP

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ping Identity (CNA)8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.pingidentity.com/s/article/SECADV040-PingFederate-OAuth-Client-Authentication-Bypassrefpingidentity.com/en/resources/downloads/pingfederate/previous-releases.htmlrefdocs.pingidentity.com/r/en-us/pingfederate-113/hro1701116403236