CVE-2021-44141
4.3
MEDIUM
CVSS 3.1
EPSS 0.31%
Description
All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.
How to fix CVE-2021-44141
To remediate CVE-2021-44141, upgrade the affected package to a fixed version below.
- Alpine/samba—upgrade to 4.15.5-r0 or later
- —no fix listed
Is CVE-2021-44141 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.15.5-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |