CVE-2011-3348: apache http_server Uncontrolled Resource Consumption
Vulnerability summary
CVE-2011-3348 is a medium (CVSS 4.3) Uncontrolled Resource Consumption vulnerability in apache http_server. EPSS estimates a 22.38% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 19-09-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
22.38%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 22.38% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (community.jboss.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
3 vendors · 3 products
References
31 links- marc.info?l=bugtraq&m=131731002122529&w=2Vendor AdvisoryX Refsource HPIssue TrackingMailing ListThird Party Advisory
- www.redhat.com/support/errata/RHSA-2011-1391.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14941VDB EntrySignatureX Refsource OVALThird Party Advisory
- marc.info?l=bugtraq&m=132033751509019&w=2Vendor AdvisoryX Refsource HPIssue TrackingMailing ListThird Party Advisory
- www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.htmlX Refsource CONFIRMThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2011:168Vendor AdvisoryX Refsource MANDRIVABroken Link
- lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlVendor AdvisoryX Refsource APPLEBroken LinkMailing List
Show all 31 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18154VDB EntrySignatureX Refsource OVALThird Party Advisory