CVE-2021-20316

CVSS V2 None CVSS V3 Medium 6.8

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.

Overview

CVE ID
CVE-2021-20316

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-23T16:15:09

Last Modified Date
2022-08-26T18:05:08

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:samba:samba::::::::	1	OR		4.15.0
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:11.0:::::::*	1	OR
cpe:2.3:a:redhat:virtualization_host:4.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_aus:8.6:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_tus:8.6:::::::*	1	OR

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.8

Base Severity
MEDIUM

Exploitability Score
1.6

Impact Score
5.2

References

Reference URL	Reference Tags
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://bugzilla.samba.org/show_bug.cgi?id=14842

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-20316
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20316

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 17:00:11				Added to TrackCVE