Is CVE-2012-4555 being actively exploited?

CVE-2012-4555 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-4555?

CVE-2012-4555 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2012-4555

MEDIUM · CVSS 4.0EPSS 1.2%EU EUVD

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 does not properly handle interruptions of token format operations, which allows remote attackers to cause a denial of service (NULL pointer dereference and Apache httpd web server child process crash) via unspecified vectors.

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS score: 1.2% (67th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-4483)
Published: January 4, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4483 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

redhat / certificate system
redhat / certificate system
redhat / certificate system
redhat / certificate system
redhat / certificate system
redhat / certificate system
redhat / certificate system

Certified products that may be affected

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

Red Hat Certificate System 8 - Red Hat, Inc. - Common Criteria CCEVS-VR-10359-2012 - archived

References

http://rhn.redhat.com/errata/RHSA-2012-1550.html(Vendor Advisory)
http://secunia.com/advisories/51482(Vendor Advisory)
http://www.securityfocus.com/bid/56843
http://www.securitytracker.com/id?1027846
https://bugzilla.redhat.com/show_bug.cgi?id=869570

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

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