Vulnerability Details CVE-2017-18889
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.9%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
Products affected by CVE-2017-18889
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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:3.10.0
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cpe:2.3:a:mattermost:mattermost_server:3.10.1
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cpe:2.3:a:mattermost:mattermost_server:3.10.2
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cpe:2.3:a:mattermost:mattermost_server:3.10.3
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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
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cpe:2.3:a:mattermost:mattermost_server:3.6.2
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cpe:2.3:a:mattermost:mattermost_server:3.6.3
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cpe:2.3:a:mattermost:mattermost_server:3.6.4
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cpe:2.3:a:mattermost:mattermost_server:3.6.5
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cpe:2.3:a:mattermost:mattermost_server:3.6.6
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cpe:2.3:a:mattermost:mattermost_server:3.6.7
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cpe:2.3:a:mattermost:mattermost_server:3.7.0
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cpe:2.3:a:mattermost:mattermost_server:3.7.1
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cpe:2.3:a:mattermost:mattermost_server:3.7.2
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cpe:2.3:a:mattermost:mattermost_server:3.7.3
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cpe:2.3:a:mattermost:mattermost_server:3.7.4
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cpe:2.3:a:mattermost:mattermost_server:3.7.5
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cpe:2.3:a:mattermost:mattermost_server:3.7.6
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cpe:2.3:a:mattermost:mattermost_server:3.8.0
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cpe:2.3:a:mattermost:mattermost_server:3.8.1
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cpe:2.3:a:mattermost:mattermost_server:3.8.2
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cpe:2.3:a:mattermost:mattermost_server:3.8.3
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cpe:2.3:a:mattermost:mattermost_server:3.9.0
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cpe:2.3:a:mattermost:mattermost_server:3.9.1
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cpe:2.3:a:mattermost:mattermost_server:3.9.2
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cpe:2.3:a:mattermost:mattermost_server:4.0.0
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cpe:2.3:a:mattermost:mattermost_server:4.0.1
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cpe:2.3:a:mattermost:mattermost_server:4.0.2
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cpe:2.3:a:mattermost:mattermost_server:4.0.3
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cpe:2.3:a:mattermost:mattermost_server:4.0.4
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cpe:2.3:a:mattermost:mattermost_server:4.0.5
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cpe:2.3:a:mattermost:mattermost_server:4.1.0
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cpe:2.3:a:mattermost:mattermost_server:4.1.1
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cpe:2.3:a:mattermost:mattermost_server:4.2.0
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cpe:2.3:a:mattermost:mattermost_server:4.3.0