Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.9%
CVSS Severity
CVSS v3 Score 2.7
CVSS v2 Score 4.0
Products affected by CVE-2018-21260
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cpe:2.3:a:mattermost:mattermost_server:4.6.0
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cpe:2.3:a:mattermost:mattermost_server:4.6.1
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cpe:2.3:a:mattermost:mattermost_server:4.6.2
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cpe:2.3:a:mattermost:mattermost_server:4.7.0
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cpe:2.3:a:mattermost:mattermost_server:4.7.1
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cpe:2.3:a:mattermost:mattermost_server:4.7.2
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cpe:2.3:a:mattermost:mattermost_server:4.7.3
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cpe:2.3:a:mattermost:mattermost_server:4.8.0