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CVE-2012-1181

21
FAUCET Score

CVE-2012-1181 describes a denial-of-service vulnerability in the mod_fcgid module (version 2.3.6) for Apache HTTP Server. Specifically, the fcgid_spawn_ctl.c component fails to properly enforce the FcgidMaxProcessesPerClass directive for virtual hosts. This allows remote attackers to trigger excessive memory consumption and a denial of service by exceeding the intended process limit through a series of HTTP requests. The vulnerability has a CVSS score of 5.0, indicating a medium severity. It is easily exploitable over the network with low attack complexity and no authentication required, leading to a partial denial of service. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.6CPE matchmatch criteria
cpe:2.3:a:apache:mod_fcgid:2.3.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.81%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0481 is in the 88th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
exchange.xforce.ibmcloud.com / vulnerabilities/74181
issues.apache.org / bugzilla/show_bug.cgi
Patch
debian.org / security/2012/dsa-2436
openwall.com / lists/oss-security/2012/03/15/10
openwall.com / lists/oss-security/2012/03/16/2
securityfocus.com / bid/52565