CVE-2018-1139

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 22, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-1139: High severity, CVSS 8.1 | Vulnix