Is CVE-2012-0031 in the CISA KEV catalog?

No. CVE-2012-0031 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0031?

CVE-2012-0031 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2012-0031?

CVE-2012-0031 has an EPSS score of 2.90% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-0031?

Upgrade apache2 on debian 11 to 2.2.22-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2012-0031

MEDIUMEPSS 85th pctl

4.6

CVSS v2

NVD

Description

scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.

How to fix

Remediation Available

apache2Debian

Fixed in:2.2.22-1CVE-2012-0031

Apache Lounge httpdWindows application

Affected:2.0.0 2.0.65Fixed in:2.0.65Apache Lounge

Affected:2.2.0 2.2.22Fixed in:2.2.22Apache Lounge

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.90%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.