Is CVE-2012-0031 being actively exploited?

CVE-2012-0031 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2012-0031 has a CVSS 2.0 base score of 4.6 (MEDIUM).

CVE-2012-0031

MEDIUM · CVSS 4.6EPSS 2.8%EU EUVD

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.

Key facts

CVSS score: 4.6 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS score: 2.8% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0071)
Published: January 18, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0071 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apache / http server
debian / debian linux
debian / debian linux
debian / debian linux
opensuse / opensuse
redhat / enterprise linux
redhat / enterprise linux
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux workstation
redhat / jboss enterprise web server
redhat / storage
suse / linux enterprise server
suse / linux enterprise software development kit

References

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041(Broken Link)
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html(Broken Link, Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=133294460209056&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=133494237717847&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=134987041210674&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-0128.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-0542.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-0543.html(Third Party Advisory)
http://secunia.com/advisories/47410(Not Applicable, Vendor Advisory)
http://secunia.com/advisories/48551(Not Applicable)
http://support.apple.com/kb/HT5501(Third Party Advisory)
http://svn.apache.org/viewvc?view=revision&revision=1230065(Vendor Advisory)
http://www.debian.org/security/2012/dsa-2405(Third Party Advisory)
http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/(Exploit, Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2012:012(Broken Link)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150(Broken Link)
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html(Third Party Advisory)
http://www.securityfocus.com/bid/51407(Third Party Advisory, VDB Entry)
https://bugzilla.redhat.com/show_bug.cgi?id=773744(Issue Tracking, Third Party Advisory)
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r05b5357d1f6bd106f41541ee7d87aafe3f5ea4dc3e9bde5ce09baff8%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9b4b963760a3cb5a4a70c902f325c6c0337fe51d5b8570416f8f8729%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E

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

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain