CVE-2009-1191: apache http_server
Vulnerability summary
CVE-2009-1191 is a medium (CVSS 5.0) vulnerability in apache http_server. EPSS estimates a 12.38% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 23-04-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
12.38%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 12.38% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat12 products
- httpd< 0:2.2.10-4.ep5.el5
- httpd-devel< 0:2.2.10-4.ep5.el5
- httpd-manual< 0:2.2.10-4.ep5.el5
- httpd22< 0:2.2.10-16.1.ep5.el4
- httpd22-apr< 0:2.2.10-16.1.ep5.el4
Apache1 product
- http_serverEOL2.2.11
Canonical1 product
- ubuntu_linuxEOL6.06 | 8.04 | 8.10 | 9.04
Debian1 product
- apache2< 2.2.11-4
4 vendors · 15 products
References
41 links- www.apache.org/dist/httpd/patches/apply_to_2.2.11/PR46949.diffX Refsource CONFIRMPatchVendor Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2009:102Vendor AdvisoryX Refsource MANDRIVABroken Link
- www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlX Refsource CONFIRMThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8261VDB EntrySignatureX Refsource OVALThird Party Advisory
Show all 41 references
- lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlVendor AdvisoryX Refsource APPLEBroken LinkMailing List
- www.mandriva.com/security/advisories?name=MDVSA-2013:150Vendor AdvisoryX Refsource MANDRIVABroken Link
- svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?r1=766938&r2=767089X Refsource CONFIRMPatchVendor Advisory
