Vulnerability Details CVE-2017-18920
An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.1%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2017-18920
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cpe:2.3:a:mattermost:mattermost_server:-
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cpe:2.3:a:mattermost:mattermost_server:0.5.0
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cpe:2.3:a:mattermost:mattermost_server:0.6.0
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cpe:2.3:a:mattermost:mattermost_server:1.0.0
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cpe:2.3:a:mattermost:mattermost_server:1.1.0
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cpe:2.3:a:mattermost:mattermost_server:1.1.1
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cpe:2.3:a:mattermost:mattermost_server:1.2.0
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cpe:2.3:a:mattermost:mattermost_server:1.2.1
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cpe:2.3:a:mattermost:mattermost_server:1.3.0
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cpe:2.3:a:mattermost:mattermost_server:1.4.0
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cpe:2.3:a:mattermost:mattermost_server:2.0.0
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cpe:2.3:a:mattermost:mattermost_server:2.1.0
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cpe:2.3:a:mattermost:mattermost_server:2.2.0
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cpe:2.3:a:mattermost:mattermost_server:3.0.0
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cpe:2.3:a:mattermost:mattermost_server:3.0.1
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cpe:2.3:a:mattermost:mattermost_server:3.0.2
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cpe:2.3:a:mattermost:mattermost_server:3.0.3
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cpe:2.3:a:mattermost:mattermost_server:3.1.0
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cpe:2.3:a:mattermost:mattermost_server:3.2.0
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cpe:2.3:a:mattermost:mattermost_server:3.3.0
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cpe:2.3:a:mattermost:mattermost_server:3.4.0
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cpe:2.3:a:mattermost:mattermost_server:3.5.0
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cpe:2.3:a:mattermost:mattermost_server:3.5.1
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cpe:2.3:a:mattermost:mattermost_server:3.5.2
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cpe:2.3:a:mattermost:mattermost_server:3.5.3
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cpe:2.3:a:mattermost:mattermost_server:3.6.0
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cpe:2.3:a:mattermost:mattermost_server:3.6.1