CVE-2021-20208
6.1
MEDIUM
CVSS 3.1
EPSS 0.27%
Description
A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.
How to fix CVE-2021-20208
To remediate CVE-2021-20208, upgrade the affected package to a fixed version below.
- Alpine/cifs-utils—upgrade to 6.13-r0 or later
- —upgrade to 2:6.11-3 or later
Is CVE-2021-20208 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.13-r0
- from 0, < 2:6.11-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N |