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Vulnerability details: VCID-53da-z9gn-n7f2
Vulnerability ID VCID-53da-z9gn-n7f2
Aliases CVE-2012-0021
Summary A flaw was found in mod_log_config. If the '%{cookiename}C' log format string is in use, a remote attacker could send a specific cookie causing a crash. This crash would only be a denial of service if using a threaded MPM.
Status Published
Exploitability 0.5
Weighted Severity 2.1
Risk 1.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
epss 0.3296 https://api.first.org/data/v1/epss?cve=CVE-2012-0021
apache_httpd low https://httpd.apache.org/security/json/CVE-2012-0021.json
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-0021.json
https://api.first.org/data/v1/epss?cve=CVE-2012-0021
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0021
785065 https://bugzilla.redhat.com/show_bug.cgi?id=785065
CVE-2012-0021 https://httpd.apache.org/security/json/CVE-2012-0021.json
GLSA-201206-25 https://security.gentoo.org/glsa/201206-25
RHSA-2012:0542 https://access.redhat.com/errata/RHSA-2012:0542
RHSA-2012:0543 https://access.redhat.com/errata/RHSA-2012:0543
USN-1368-1 https://usn.ubuntu.com/1368-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.96858
EPSS Score 0.3296
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:17.948183+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2012-0021.json 38.0.0