Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Cifs-Utils | >= 4.0, < 6.13 |
| Redhat | Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1921116Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14651Issue TrackingPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://bugzilla.redhat.com/show_bug.cgi?id=1921116Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14651Issue TrackingPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-20208?
CVE-2021-20208 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 vuln...
How severe is CVE-2021-20208?
CVE-2021-20208 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20208?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Cifs-Utils, Redhat Enterprise Linux, Fedoraproject Fedora.