Vulnerability Description
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | < 4.15.0 |
| Debian | Debian Linux | 10.0 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Aus | 8.6 |
| Redhat | Enterprise Linux Eus | 8.6 |
| Redhat | Enterprise Linux Tus | 8.6 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-20316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14842Issue TrackingVendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-20316MitigationThird Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2021-20316.htmlVendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-20316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=14842Issue TrackingVendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-20316MitigationThird Party Advisory
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2021-20316.htmlVendor Advisory
FAQ
What is CVE-2021-20316?
CVE-2021-20316 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of th...
How severe is CVE-2021-20316?
CVE-2021-20316 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20316?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Debian Debian Linux, Redhat Virtualization Host, Redhat Enterprise Linux, Redhat Enterprise Linux Aus.