cve.bz

CVE-2024-4195

2.7 lowEPSS 0.5%

Low (2.7) in mattermost mattermost server. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 8.1.12, 8.1.12+incompatible, 9.5.3.

Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.

Severity

CVSS 3.1

2.7 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE
CWE-284
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-5fh7-7mw7-mmx5Gogithub.com/mattermost/mattermost-server>=9.5.0 <9.5.39.5.3
GHSA-5fh7-7mw7-mmx5Gogithub.com/mattermost/mattermost-server>=8.1.0 <8.1.128.1.12
GO-2024-2793Gogithub.com/mattermost/mattermost-server>=8.1.0+incompatible <8.1.12+incompatible
>=9.5.0+incompatible <9.5.3+incompatible
8.1.12+incompatible, 9.5.3+incompatible

References

Check your stackJSON