CVE-2022-2408

CVSS V2 Medium 4 CVSS V3 Medium 4.3

Description

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

Overview

CVE ID
CVE-2022-2408

Assigner
responsibledisclosure@mattermost.com

Vulnerability Status
Analyzed

Published Version
2022-07-14T18:15:08

Last Modified Date
2022-07-25T18:11:35

Weakness Enumerations

CWE	URL
CWE-668	http://cwe.mitre.org/data/definitions/668.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mattermost:mattermost::::::::	1	OR		6.3.8
cpe:2.3:a:mattermost:mattermost::::::::	1	OR	6.4.0	6.5.1
cpe:2.3:a:mattermost:mattermost:6.6.0:::::::*	1	OR
cpe:2.3:a:mattermost:mattermost:6.6.1:::::::*	1	OR
cpe:2.3:a:mattermost:mattermost:6.7.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4

Severity
MEDIUM

Exploitability Score
8

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
4.3

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
1.4

References

Reference URL	Reference Tags
https://mattermost.com/security-updates/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-2408
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2408

History

Created	Old Value	New Value	Data Type	Notes
2022-07-14 19:00:29				Added to TrackCVE