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CVE-2021-20316
Component Overview
Vulnerability Overview
Name
CVE-2021-20316
Source
NVD (
link
)
Debian (
link
)
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.
CWEs
CWE-362
CWE-362
Published Date
Aug 23, 2022
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2021-20316
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2009673
Issue Tracking
https://bugzilla.samba.org/show_bug.cgi?id=14842
Issue Tracking
https://security-tracker.debian.org/tracker/CVE-2021-20316
Mitigation
https://www.samba.org/samba/security/CVE-2021-20316.html
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-20316
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2009673
Issue Tracking
https://bugzilla.samba.org/show_bug.cgi?id=14842
Issue Tracking
https://security-tracker.debian.org/tracker/CVE-2021-20316
Mitigation
https://www.samba.org/samba/security/CVE-2021-20316.html
Vendor Advisory
Analysis
#
Affected Component
Analysis
samba
Exploitable
Vulnerability Rating
#
6.8
CVSSv31
Others affected components
#
Name
Project
Project Version
Version
Status
samba4
buildroot
2025.02.x
4.22.10
Not Affected
samba4
buildroot
master
4.24.3
Not Affected
samba4
openwrt
master
4.22.7-r3
Not Affected
samba4
openwrt
openwrt-25.12
4.22.7-r3
Not Affected
samba
yocto
master
4.23.5
Not Affected
samba
yocto
scarthgap
4.19.9
Not Affected