{"cve":"CVE-2010-4764","nvd":{"published":"2011-03-18T16:55:01.640","modified":"2026-06-16T23:25:30.113","status":"Modified","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-255"],"references":["http://bugs.otrs.org/show_bug.cgi?id=6131","http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807","http://bugs.otrs.org/show_bug.cgi?id=6131","http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807"],"products":["otrs:otrs"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2010-4764","score":0.01466,"percentile":0.73695,"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."]}