CVE-2021-20316

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.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.41%
Vendor Advisory gentoo.org Vendor Advisory samba.org Vendor Advisory samba.org
Affected: n/a samba
Published at:
Updated at:

References

Link Tags
https://bugzilla.samba.org/show_bug.cgi?id=14842 issue tracking vendor advisory
https://www.samba.org/samba/security/CVE-2021-20316.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2009673 issue tracking third party advisory
https://access.redhat.com/security/cve/CVE-2021-20316 third party advisory
https://security-tracker.debian.org/tracker/CVE-2021-20316 third party advisory mitigation
https://security.gentoo.org/glsa/202309-06 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20316?
CVE-2021-20316 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20316?
To fix CVE-2021-20316, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20316 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20316 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20316?
CVE-2021-20316 affects n/a samba.
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