{"cve":"CVE-2009-1390","nvd":{"published":"2009-06-16T21:00:00.343","modified":"2026-06-16T23:07:11.243","status":"Modified","description":"Mutt 1.5.19, when linked against (1) OpenSSL (mutt_ssl.c) or (2) GnuTLS (mutt_ssl_gnutls.c), allows connections when only one TLS certificate in the chain is accepted instead of verifying the entire chain, which allows remote attackers to spoof trusted servers via a man-in-the-middle attack.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://dev.mutt.org/hg/mutt/rev/64bf199c8d8a","http://dev.mutt.org/hg/mutt/rev/8f11dd00c770","http://www.openwall.com/lists/oss-security/2009/06/10/2","http://www.securityfocus.com/bid/35288","https://exchange.xforce.ibmcloud.com/vulnerabilities/51068"],"products":["mutt:mutt"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-1390","score":0.01669,"percentile":0.76782,"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."]}