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CVE-2021-20316 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/security/cve/CVE-2021-20316 Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2021-20316 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2009673 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2009673 Issue Tracking  Third Party Advisory 
https://bugzilla.samba.org/show_bug.cgi?id=14842 Issue Tracking  Vendor Advisory 
https://bugzilla.samba.org/show_bug.cgi?id=14842 Issue Tracking  Vendor Advisory 
https://security-tracker.debian.org/tracker/CVE-2021-20316 Mitigation  Third Party Advisory 
https://security-tracker.debian.org/tracker/CVE-2021-20316 Mitigation  Third Party Advisory 
https://security.gentoo.org/glsa/202309-06
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2021-20316.html Vendor Advisory 
https://www.samba.org/samba/security/CVE-2021-20316.html Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-20316
NVD Published Date:
08/23/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.