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osvGoogleOSV:GHSA-56MC-F9W7-2WXQ
HistoryAug 01, 2024 - 3:32 p.m.

Mattermost failed to disallow the modification of local users when syncing users in shared channels

2024-08-0115:32:21
Google
osv.dev
2
mattermost
security vulnerability
user syncing

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

6.7

Confidence

High

EPSS

0

Percentile

14.1%

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

6.7

Confidence

High

EPSS

0

Percentile

14.1%

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