CVE-2021-20208

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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
2026-07-08T05:56:31.993175833Z
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.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "introduced": "33"
                },
                {
                    "last_affected": "33"
                },
                {
                    "introduced": "34"
                },
                {
                    "last_affected": "34"
                },
                {
                    "introduced": "35"
                },
                {
                    "last_affected": "35"
                }
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                },
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "redhat:enterprise_linux",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ]
        }
    ]
}
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
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:samba:cifs-utils:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.0"
        },
        {
            "fixed": "6.13"
        }
    ]
}

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"