VulnerabilityModified

CVE-2021-20208

The highest threat from this vulnerability is to data confidentiality and integrity.

MEDIUM 6.1EPSS 0.64%

Does this matter?

Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
EPSS: 0.64% probability · 49th percentile
CISA KEV: Not listed
Weakness: CWE-266, CWE-269
Affected: samba/cifs-utils · redhat/enterprise linux · fedoraproject/fedora
Source: secalert@redhat.com

References

https://bugzilla.redhat.com/show_bug.cgi?id=1921116Issue Tracking, Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14651Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/
https://bugzilla.redhat.com/show_bug.cgi?id=1921116Issue Tracking, Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14651Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.