{"cve":"CVE-2010-1155","nvd":{"published":"2010-04-16T19:30:00.350","modified":"2026-06-16T23:17:37.210","status":"Modified","description":"Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://github.com/ensc/irssi-proxy/commit/85bbc05b21678e80423815d2ef1dfe26208491ab","http://irssi.org/news","http://irssi.org/news/ChangeLog","http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041054.html","http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html"],"products":["irssi:irssi"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2010-1155","score":0.01562,"percentile":0.75259,"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."]}