cve.bz

CVE-2020-14457

5.3 mediumEPSS 0.9%

Medium (5.3) in mattermost mattermost server. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server/v5 5.20.0.

An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-j2h2-cvwh-cr64Gogithub.com/mattermost/mattermost-server/v5<5.20.05.20.0
GO-2023-1939Gogithub.com/mattermost/mattermostall versionsno fix published
GO-2023-1939Gogithub.com/mattermost/mattermost-serverall versionsno fix published
GO-2023-1939Gogithub.com/mattermost/mattermost-server/v5<5.20.05.20.0

References

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