{"cve":"CVE-2013-6171","nvd":{"published":"2013-12-09T16:36:47.097","modified":"2026-06-17T00:00:06.340","status":"Modified","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://cpanel.net/tsr-2013-0010-full-disclosure/","http://secunia.com/advisories/54808","http://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security","http://www.dovecot.org/list/dovecot-news/2013-November/000264.html","https://usn.ubuntu.com/3556-2/"],"products":["dovecot:dovecot"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-6171","score":0.01457,"percentile":0.73508,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}