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CVE-2012-4556: redhat certificate_system Improper Input Validation

CVSS: 4.0v2.0MediumModified
Published 04-01-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-4556 is a medium (CVSS 4.0) Improper Input Validation vulnerability in redhat certificate_system. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.5% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v2.0 (NVD)
EPSS score
1.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2012:1550

Timeline

  1. 04-01-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat1 product

1 vendor · 1 product

References

5 links