{"cve":"CVE-2015-3455","nvd":{"published":"2015-05-18T15:59:11.650","modified":"2026-06-17T00:25:57.313","status":"Modified","description":"Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://advisories.mageia.org/MGASA-2015-0191.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183598.html","http://lists.opensuse.org/opensuse-updates/2015-09/msg00016.html","http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html","http://rhn.redhat.com/errata/RHSA-2015-2378.html"],"products":["fedoraproject:fedora","oracle:linux","oracle:solaris","squid-cache:squid"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3455","score":0.11402,"percentile":0.95998,"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."]}