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CVE-2011-3368
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly…
Medium5.0EPSS 90.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an initial @ (at sign) character.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 90.7% · top 0.2% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (55)
- [announce] 20111005 Advisory: mod_proxy reverse proxy exposure (CVE-2011-3368) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://svn.apache.org/viewvc?view=revision&revision=1179239 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SSRT100966 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://www.contextis.com/research/blog/reverseproxybypass/ (opens in a new tab)x_refsource_MISCx_transferred
- 20111005 Context IS Advisory - Apache Reverse Proxy Bypass Vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- RHSA-2011:1391 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SE49724 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
- RHSA-2012:0543 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 46288 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 76079 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 17969 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- SSRT100772 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 49957 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- SE49723 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
- RHSA-2012:0542 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- APPLE-SA-2012-09-19-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- http://support.apple.com/kb/HT5501 (opens in a new tab)x_refsource_CONFIRMx_transferred
- apache-modproxy-information-disclosure(70336) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=740045 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1026144 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2011:1392 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 20111005 Apache HTTP Server: mod_proxy reverse proxy exposure (CVE-2011-3368) (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- openSUSE-SU-2013:0248 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDVSA-2011:144 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- openSUSE-SU-2013:0243 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDVSA-2013:150 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 46414 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 48551 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2405 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SU-2011:1229 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://kb.juniper.net/JSA10585 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073140 [1/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1888194 [7/13] - /httpd/site/trunk/content/security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073139 [7/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073149 [8/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210330 svn commit: r1888222 - in /httpd/site/trunk/content/security/json: CVE-2010-2068.json CVE-2010-2791.json CVE-2011-0419.json CVE-2011-3368.json (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .