Is CVE-2022-4254 being actively exploited?

CVE-2022-4254 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2022-4254?

CVE-2022-4254 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2022-4254

HIGH · CVSS 8.8EPSS 0.9%EU EUVD

sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-90
EPSS score: 0.9% (60th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2022-51610)
Published: February 1, 2023
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-51610 in the EU Vulnerability Database. Last updated in EUVD on March 27, 2025.

View on the EU Vulnerability Database

Affected products

fedoraproject / sssd
redhat / enterprise linux
redhat / enterprise linux desktop
redhat / enterprise linux for ibm z systems
redhat / enterprise linux for power big endian
redhat / enterprise linux for power little endian
redhat / enterprise linux for scientific computing
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server for power little endian update services for sap solutions
redhat / enterprise linux server for power little endian update services for sap solutions
redhat / enterprise linux server tus
redhat / enterprise linux server update services for sap solutions
redhat / enterprise linux workstation

Certified products that may be affected

25 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
Red Hat Enterprise Linux 8 OpenSSL Cryptographic Module - Red Hat®, Inc. - FIPS 140 4642 - historical
Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat®, Inc. - FIPS 140 4458 - historical

See all 25 in the Security Certifications Explorer.

References

https://access.redhat.com/security/cve/CVE-2022-4254(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=2149894(Exploit, Issue Tracking, Patch, Third Party Advisory)
https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274(Patch, Third Party Advisory)
https://github.com/SSSD/sssd/issues/5135(Exploit, Issue Tracking, Patch, Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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