ALPINE-CVE-2021-20208

See a problem?
Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2021-20208
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20208.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-20208
Upstream
Published
2021-04-19T22:15:12Z
Modified
2025-09-26T00:17:11.129447Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.10

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0

Alpine:v3.11

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1

Alpine:v3.12

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1

Alpine:v3.13

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.14

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.15

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.16

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.17

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.18

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.19

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.20

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.21

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0

Alpine:v3.22

cifs-utils

Package

Name
cifs-utils
Purl
pkg:apk/alpine/cifs-utils?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.13-r0

Affected versions

4.*

4.9-r0

5.*

5.3-r0
5.4-r0
5.6-r0
5.7-r0
5.8-r0
5.9-r0

6.*

6.0-r0
6.1-r0
6.2-r0
6.2-r1
6.3-r0
6.4-r0
6.4-r1
6.4-r2
6.5-r0
6.6-r0
6.7-r0
6.7-r1
6.8-r0
6.9-r0
6.9-r1
6.10-r0
6.10-r1
6.11-r0
6.11-r1
6.12-r0