CVE-2012-4556

mediumpriority · track · 16EPSS 0.012 · 68 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 4 · medium

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-28

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedpki-common-0:8.1.3-2.el5pki.noarch as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550
Fixedpki-common-0:8.1.3-2.el5pki.src as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550
Fixedpki-common-javadoc-0:8.1.3-2.el5pki.noarch as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550
Fixedpki-tps-0:8.1.3-2.el5pki.i386 as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550
Fixedpki-tps-0:8.1.3-2.el5pki.src as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550
Fixedpki-tps-0:8.1.3-2.el5pki.x86_64 as a component of Red Hat Certificate System 8redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1550

cvss

Technical severity, 0–10. One row per scoring source.

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Psecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (13)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
redhat certificate system≤ 8.1.1nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
redhat certificate system= 7.1nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
redhat certificate system= 7.2nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
redhat certificate system= 7.3nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
redhat certificate system= 8.0nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
redhat certificate system= 8.1nvdUScpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
pki-common-0:8.1.3-2.el5pki.noarch as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS
pki-common-0:8.1.3-2.el5pki.src as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS
pki-common-javadoc-0:8.1.3-2.el5pki.noarch as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS
pki-tps-0:8.1.3-2.el5pki.i386 as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS
pki-tps-0:8.1.3-2.el5pki.src as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS
pki-tps-0:8.1.3-2.el5pki.x86_64 as a component of Red Hat Certificate System 8all versionsfixedredhat_csafUS

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2012:1550Red Hat Security Advisory: pki security update2012-12-06csaf · redhat_csafUS
Updated pki-common and pki-tps packages that fix multiple security issues are now available for Red Hat Certificate System 8.1. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2013-01-04modified 2026-06-16

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references (15)

External citations — patches, advisories, analysis.

scry

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