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Fencer Intel
medium 4.0

CVE-2012-4556 json

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of servic…

published 2013-01-04 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4484

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

Patch / fix

  • pki-tps certificate system 8 8.1.3-2.el5pki
  • pki-common certificate system 8 8.1.3-2.el5pki
  • pki-common-javadoc certificate system 8 8.1.3-2.el5pki

red hat advisories RHSA-2012:1550

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4556 updated cvss 4.0

pki-tps: Connection reset when performing empty certificate search in TPS

  • Red Hat Certificate System 8 pki-tps 8.1.3-2.el5pki, pki-common 8.1.3-2.el5pki, pki-common-javadoc 8.1.3-2.el5pki
    fixed: vendor fix RHSA-2012:1550

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.