VDB
ALPINE-CVE-2021-20208
ALPINE-CVE-2021-20208
PUBLISHED
CVSS 6.099999904632568 MEDIUM
Record from OSV · Published April 19, 2021
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| cifs-utils | Alpine:v3.15 | 6.13-r0 |
| cifs-utils | Alpine:v3.17 | 6.13-r0 |
| cifs-utils | Alpine:v3.20 | 6.13-r0 |
| cifs-utils | Alpine:v3.13 | 6.13-r0 |
| cifs-utils | Alpine:v3.16 | 6.13-r0 |
| cifs-utils | Alpine:v3.24 | 6.13-r0 |
| cifs-utils | Alpine:v3.14 | 6.13-r0 |
| cifs-utils | Alpine:v3.22 | 6.13-r0 |
| cifs-utils | Alpine:v3.19 | 6.13-r0 |
| cifs-utils | Alpine:v3.10 | 6.13-r0 |
| cifs-utils | Alpine:v3.23 | 6.13-r0 |
| cifs-utils | Alpine:v3.12 | 6.13-r0 |
3 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
6.099999904632568
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.15 | cifs-utils | 4.0, 0, 4.9-r0 |
| Alpine:v3.17 | cifs-utils | 0, 5.3-r0, 5.4-r0 |
| Alpine:v3.20 | cifs-utils | 4.0, 0, 4.9-r0 |
| Alpine:v3.13 | cifs-utils | 0, 4.0, 6.10-r1 |
| Alpine:v3.16 | cifs-utils | 6.4-r0, 4.0, 5.3-r0 |
| Alpine:v3.24 | cifs-utils | 0, 4.0 |
| Alpine:v3.14 | cifs-utils | 6.6-r0, 0, 5.8-r0 |
| Alpine:v3.22 | cifs-utils | 4.0, 0, 4.9-r0 |
| Alpine:v3.19 | cifs-utils | 5.4-r0, 4.0, 6.12-r0 |
| Alpine:v3.10 | cifs-utils | 4.0, 0, 6.9-r0 |
| Alpine:v3.23 | cifs-utils | 4.0, 0, 4.9-r0 |
| Alpine:v3.12 | cifs-utils | 4.0, 6.2-r1, 0 |
| Alpine:v3.21 | cifs-utils | 5.4-r0, 5.3-r0, 0 |
| Alpine:v3.11 | cifs-utils | 6.0-r0, 6.1-r0, 6.2-r0 |
| Alpine:v3.18 | cifs-utils | 6.0-r0, 5.8-r0, 5.6-r0 |
Timeline
- Apr 19, 2021 CVE Published
- Jul 8, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
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