{"id":"CVE-2012-2138","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-2138","generatedAt":"2026-11-05T08:10:50.118Z","title":"The @CopyFrom operation in the POST servlet in the org.apache.sling.servlets.post bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service…","description":"The @CopyFrom operation in the POST servlet in the org.apache.sling.servlets.post bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP request.","published":"2012-07-09T22:55:01.000Z","lastModified":"2026-06-16T23:41:04.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-264"],"affected":["apache/org.apache.sling.servlets.post"],"epss":{"score":0.14122,"percentile":0.96583,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2012-07-06","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":37487,"kind":"exploit","title":"Apache Sling - Denial of Service","url":"https://www.exploit-db.com/exploits/37487","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/37487.txt","file":"exploits/multiple/dos/37487.txt","published":"2012-07-06","added":"2012-07-06","updated":"2015-07-04","author":"IOactive","type":"dos","platform":"multiple","port":null,"verified":true,"codes":["CVE-2012-2138","OSVDB-83682"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/54341/info"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 14.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E","source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1352865","source":"secalert@redhat.com"},{"url":"https://issues.apache.org/jira/browse/SLING-2517","source":"secalert@redhat.com"},{"url":"http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1352865","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://issues.apache.org/jira/browse/SLING-2517","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-2138","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}