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osvGoogleOSV:GHSA-XGXJ-J98C-59RV
HistoryFeb 29, 2024 - 9:30 a.m.

Mattermost fails to properly restrict the access of files attached to posts

2024-02-2909:30:34
Google
osv.dev
2
mattermost
file access
archived channels

CVSS3

3.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

9.0%

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.

CVSS3

3.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

9.0%