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osvGoogleOSV:GHSA-63CV-4PC2-4FCF
HistoryDec 06, 2023 - 9:30 a.m.

Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability

2023-12-0609:30:17
Google
osv.dev
8
mattermost
endpoint
channelids
exposure
vulnerability

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

17.0%

Mattermost is grouping calls inΒ the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

17.0%

Related for OSV:GHSA-63CV-4PC2-4FCF