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Status published
Medium
CVE-2021-20316
A flaw was found in the way Samba handled file/directory...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.samba.org/show_bug.cgi?id=14842
- https://www.samba.org/samba/security/CVE-2021-20316.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2009673
- https://access.redhat.com/security/cve/CVE-2021-20316
- https://security-tracker.debian.org/tracker/CVE-2021-20316
- https://security.gentoo.org/glsa/202309-06
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Affected Vendor
Affected Software
samba
Vulnerable Versions:
Affects samba file server before v4.15.0, Fixed in samba v4.15.0
Timeline
Official Publish:
August 23rd, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N