CVE-2018-1139
8.1
HIGH
CVSS 3.1
EPSS 1.6%
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.
How to fix CVE-2018-1139
To remediate CVE-2018-1139, upgrade the affected package to a fixed version below.
- Alpine/samba—upgrade to 4.8.4-r0 or later
- —upgrade to 2:4.8.4+dfsg-1 or later
Is CVE-2018-1139 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.8.4-r0
- from 0, < 2:4.8.4+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |