Cyber Resilience

CVE-2021-31923

Medium

Published: 24 September 2021

Published
24 September 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0022 44.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31923 is a medium-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Pingidentity Pingaccess. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 44.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.

CWE(s)
CWE-444

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

pingidentity
pingaccess
≤ 5.3.3

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References