CVE-2018-21260

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.7 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
VendorProductVersion
mattermostmattermost_server
4.6.0 ≤
𝑥
< 4.6.3
mattermostmattermost_server
4.7.0 ≤
𝑥
< 4.7.4
mattermostmattermost_server
4.8.0 ≤
𝑥
< 4.8.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/