CVE-2021-20208

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2021-20208
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20208.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-20208
Downstream
Related
Published
2021-04-19T22:15:12.873Z
Modified
2026-03-15T22:38:48.116117Z
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

Git / github.com/piastry/cifs-utils

Affected ranges

Type
GIT
Repo
https://github.com/piastry/cifs-utils
Events
Introduced
f54e674a82fc00e574e1ebbc77ba5841d8342b6d
Fixed
464a60344a324311a6f5bb326fdf5f422a3c9005
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
316522036133d44ed02cd39ed2748e2b59c85b30
Database specific 
{
    "versions": [
        {
            "introduced": "4.0"
        },
        {
            "fixed": "6.13"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.0"
        }
    ]
}

Affected versions

cifs-utils-4.*
cifs-utils-4.0
cifs-utils-4.1
cifs-utils-4.2
cifs-utils-4.3
cifs-utils-4.4
cifs-utils-4.5
cifs-utils-4.6
cifs-utils-4.7
cifs-utils-4.8
cifs-utils-4.8.1
cifs-utils-4.9
cifs-utils-5.*
cifs-utils-5.0
cifs-utils-5.1
cifs-utils-5.2
cifs-utils-5.3
cifs-utils-5.4
cifs-utils-5.5
cifs-utils-5.6
cifs-utils-5.7
cifs-utils-5.8
cifs-utils-5.9
cifs-utils-6.*
cifs-utils-6.0
cifs-utils-6.1
cifs-utils-6.10
cifs-utils-6.11
cifs-utils-6.12
cifs-utils-6.2
cifs-utils-6.3
cifs-utils-6.4
cifs-utils-6.5
cifs-utils-6.6
cifs-utils-6.7
cifs-utils-6.8
cifs-utils-6.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20208.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    }
]