Login Request a demo
Unscored severity · published Sep 20, 2011
CVE-2011-3348
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service…
–
CVSS
22.4%
EPSS
No
On KEV
Description
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
Exploitation
Is it being used?
Exploit prediction (EPSS)22.4% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.2.12 through 2.2.20 · source: NVD
JE
Jboss Enterprise Web Server · Redhat
1.0.0 · source: NVD
Affected product
HS
HTTP Server
Apache
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-3348
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-3348
Exploit
http://community.jboss.org/message/625307
Vendor Advisory
http://httpd.apache.org/security/vulnerabilities_22.html#2.2.21
Broken Link
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
Issue Tracking
http://marc.info/?l=bugtraq&m=131731002122529&w=2
Issue Tracking
http://marc.info/?l=bugtraq&m=132033751509019&w=2
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0542.html
More from HTTP Server
9.8
CVE-2021-42013
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)
9.8
CVE-2021-41773
Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49
9.1
CVE-2024-38475
Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path.
9.0
CVE-2021-40438
mod_proxy SSRF
7.8
CVE-2019-0211
Apache HTTP Server Privilege Escalation Vulnerability