{"cve":"CVE-2009-2730","nvd":{"published":"2009-08-12T10:30:01.360","modified":"2026-06-16T23:10:07.240","status":"Modified","description":"libgnutls in GnuTLS before 2.8.2 does not properly handle a '\\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://article.gmane.org/gmane.network.gnutls.general/1733","http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html","http://secunia.com/advisories/36266","http://secunia.com/advisories/36496","http://www.openwall.com/lists/oss-security/2009/08/14/6"],"products":["gnu:gnutls"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2730","score":0.02151,"percentile":0.82142,"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."]}