{"cve":"CVE-2012-2138","nvd":{"published":"2012-07-09T22:55:01.027","modified":"2026-06-16T23:41:04.057","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E","http://svn.apache.org/viewvc?view=revision&revision=1352865","https://issues.apache.org/jira/browse/SLING-2517","http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E","http://svn.apache.org/viewvc?view=revision&revision=1352865"],"products":["apache:org.apache.sling.servlets.post"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-2138","score":0.14122,"percentile":0.96572,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-342c-f869-5m44","url":"https://osv.dev/vulnerability/GHSA-342c-f869-5m44","summary":"Apache Sling POST Servlets Denial of Service Vulnerability","modified":"2024-12-06T05:43:03.319734Z","packages":[{"ecosystem":"Maven","name":"org.apache.sling:org.apache.sling.servlets.post","purl":"pkg:maven/org.apache.sling/org.apache.sling.servlets.post","ranges":["<2.1.2"],"fixed":["2.1.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}