CVE-2021-20316
MEDIUMSamba < 4.15.0 - Authenticated Race Condition in File/Directory Metadata Handling
Title source: llmDescription
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.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202309-06
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-20316
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2009673
Issue Tracking, Vendor Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14842
Mitigation, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-20316
Vendor Advisory
https://www.samba.org/samba/security/CVE-2021-20316.html
Scores
CVSS v3
6.8
EPSS
0.0081
EPSS Percentile
74.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-362
Status
published
Products (8)
debian/debian_linux
10.0
debian/debian_linux
11.0
redhat/enterprise_linux
8.0
redhat/enterprise_linux_aus
8.6
redhat/enterprise_linux_eus
8.6
redhat/enterprise_linux_tus
8.6
redhat/virtualization_host
4.0
samba/samba
< 4.15.0
Published
Aug 23, 2022
Tracked Since
Feb 18, 2026