{"cve":"CVE-2016-2114","nvd":{"published":"2016-04-25T00:59:05.113","modified":"2026-06-17T00:43:28.820","status":"Modified","description":"The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the \"server signing = mandatory\" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9},"cwes":["CWE-254"],"references":["http://badlock.org/","http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html","http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html"],"products":["canonical:ubuntu_linux","samba:samba"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-2114","score":0.02677,"percentile":0.85805,"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."]}