CVE-2021-20316
Moderate
CVE-2021-20316
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.
Exploit probability
0.8%
Published
August 23, 2022
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
178 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-20316
View original source
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/security/cve/CVE-2021-20316
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673
- https://bugzilla.samba.org/show_bug.cgi?id=14842
- https://security-tracker.debian.org/tracker/CVE-2021-20316
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2021-20316.html