VULNERABILITY INTELLIGENCE
CVE-2021-31923
CVSS score5.3 MEDIUM
EPSS probability0.71%
CISA KEVNot currently listed
Published2021-09-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.
Weakness classification
- CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')