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Vulnerability details: VCID-6vze-zk58-7yep
Vulnerability ID VCID-6vze-zk58-7yep
Aliases CVE-2011-3348
Summary A flaw was found when mod_proxy_ajp is used together with mod_proxy_balancer. Given a specific configuration, a remote attacker could send certain malformed HTTP requests, putting a backend server into an error state until the retry timeout expired. This could lead to a temporary denial of service.
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
epss 0.34026 https://api.first.org/data/v1/epss?cve=CVE-2011-3348
apache_httpd moderate https://httpd.apache.org/security/json/CVE-2011-3348.json
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-3348.json
https://api.first.org/data/v1/epss?cve=CVE-2011-3348
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3348
736690 https://bugzilla.redhat.com/show_bug.cgi?id=736690
CVE-2011-3348 https://httpd.apache.org/security/json/CVE-2011-3348.json
GLSA-201206-25 https://security.gentoo.org/glsa/201206-25
RHSA-2011:1391 https://access.redhat.com/errata/RHSA-2011:1391
RHSA-2012:0542 https://access.redhat.com/errata/RHSA-2012:0542
RHSA-2012:0543 https://access.redhat.com/errata/RHSA-2012:0543
USN-1259-1 https://usn.ubuntu.com/1259-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.9694
EPSS Score 0.34026
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:17.482943+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2011-3348.json 38.0.0