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Fencer Vulns
medium 5.0

CVE-2009-1191 json

mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, int…

published 2009-04-23 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1190

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, intended for a client that sent an earlier POST request with no request body, via an HTTP request.

Patch / fix

  • apache2 Debian 14, Debian 13, Debian 12 2.2.11-4

debian advisories DEBIAN-CVE-2009-1191

  • httpd jboss enterprise web server 1 2.2.10-4.ep5.el5
  • httpd22 jboss enterprise web server 1 2.2.10-16.1.ep5.el4
  • mod_ssl jboss enterprise web server 1 1:2.2.10-4.ep5.el5
  • mod_ssl22 jboss enterprise web server 1 1:2.2.10-16.1.ep5.el4
  • httpd22-apr jboss enterprise web server 1 2.2.10-16.1.ep5.el4
  • httpd-manual jboss enterprise web server 1 2.2.10-4.ep5.el5
  • httpd22-apr-util jboss enterprise web server 1 2.2.10-16.1.ep5.el4

red hat advisories RHSA-2009:1058

  • apache2 openSUSE Tumbleweed 2.4.23-4.1

opensuse advisories openSUSE-SU-2024:10268-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-1191 updated cvss 5.0

httpd mod_proxy_ajp information disclosure

  • Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server httpd 2.2.10-4.ep5.el5, mod_ssl 2.2.10-4.ep5.el5, httpd-manual 2.2.10-4.ep5.el5 Red Hat JBoss Web Server 1.0 for RHEL 4 AS httpd22 2.2.10-16.1.ep5.el4, mod_ssl22 2.2.10-16.1.ep5.el4, httpd22-apr 2.2.10-16.1.ep5.el4, httpd22-apr-util 2.2.10-16.1.ep5.el4 Red Hat JBoss Web Server 1.0 for RHEL 4 ES httpd22 2.2.10-16.1.ep5.el4, mod_ssl22 2.2.10-16.1.ep5.el4, httpd22-apr 2.2.10-16.1.ep5.el4, httpd22-apr-util 2.2.10-16.1.ep5.el4
    fixed: vendor fix RHSA-2009:1058

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

12.38% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.