CVE-2024-42000
4.3
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.
How to fix CVE-2024-42000
To remediate CVE-2024-42000, upgrade the affected package to a fixed version below.
- —upgrade to 9.5.10 or later
Is CVE-2024-42000 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 9.5.0, < 9.5.10, >= 9.10.0, < 9.10.3, >= 9.11.0, < 9.11.2 | >= 10.0.0-rc1, <= 10.0.0-rc1, >= 10.0.0-rc2, <= 10.0.0-rc2, >= 10.0.0-rc3, <= 10.0.0-rc3, >= 10.0.0-rc4, <= 10.0.0-rc4, >= 10.0.0, <= 10.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |