{"id":"CVE-2011-3368","aliases":["BELL-CVE-2011-3368","DEBIAN-CVE-2011-3368","DSA-2405-1","EUVD-2011-3332","GHSA-j85c-9w9v-p2p3","RHSA-2011:1391","RHSA-2011:1392","RHSA-2012:0542","openSUSE-SU-2024:10268-1"],"status":"published","title":"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...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.90734,"percentile":0.99806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-20"],"published":"2011-10-05T22:00:00Z","modified":"2026-10-23T17:47:44Z","exploits":[{"source":"exploitdb","id":"EDB-17969","title":"Apache mod_proxy - Reverse Proxy Exposure","type":"remote","platform":"multiple","date":"2011-10-11","verified":true,"url":"https://www.exploit-db.com/exploits/17969"},{"source":"pocgithub","id":"SECFORCE/CVE-2011-3368","title":"SECFORCE/CVE-2011-3368","date":"2017-04-18","url":"https://github.com/SECFORCE/CVE-2011-3368"},{"source":"pocgithub","id":"colorblindpentester/CVE-2011-3368","title":"colorblindpentester/CVE-2011-3368","date":"2019-03-22","url":"https://github.com/colorblindpentester/CVE-2011-3368"},{"source":"metasploit","id":"auxiliary/scanner/http/rewrite_proxy_bypass","title":"Apache Reverse Proxy Bypass Vulnerability 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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.","status":"published","published":"2011-10-05T22:00:00Z","modified":"2024-08-06T23:29:56.89Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3332","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.","status":"published","published":"2011-10-05T22:00:00Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-j85c-9w9v-p2p3","title":"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...","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.","status":"published","published":"2022-05-13T01:09:52Z","modified":"2025-04-11T03:52:16Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:09.612717Z"}],"nvd":[{"id":"CVE-2011-3368","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.","status":"published","published":"2011-10-05T22:55:02.643Z","modified":"2026-06-16T23:33:09.74Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:10.769216Z"}],"osv":[{"id":"BELL-CVE-2011-3368","title":"CVE-2011-3368 does not affect BellSoft software","status":"withdrawn","published":"2011-10-05T22:55:00Z","modified":"2026-01-28T07:21:12.97673Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2011-3368","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 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