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osvGoogleOSV:CVE-2023-5193
HistorySep 29, 2023 - 10:15 a.m.

CVE-2023-5193

2023-09-2910:15:10
Google
osv.dev
2
mattermost
permission
vulnerability
post retrieval
dm conversation
system role
manage channels

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

14.0%

Mattermost fails to properly check permissions when retrieving a post allowing forΒ a System Role with the permission to manage channels to read the posts of a DM conversation.

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

14.0%