{"cve":"CVE-2017-12151","nvd":{"published":"2018-07-27T12:29:00.223","modified":"2026-06-17T01:02:46.957","status":"Modified","description":"A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4},"cwes":["CWE-310","CWE-300"],"references":["http://www.securityfocus.com/bid/100917","http://www.securitytracker.com/id/1039401","https://access.redhat.com/errata/RHSA-2017:2790","https://access.redhat.com/errata/RHSA-2017:2858","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12151"],"products":["debian:debian_linux","hp:cifs_server","redhat:enterprise_linux","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_workstation","samba:samba"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2017-12151","score":0.04104,"percentile":0.90759,"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."]}