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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2017-18894

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowing account takeover.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 43.4%

CVSS Severity

CVSS v3 Score 8.1

CVSS v2 Score 5.5

References

Products affected by CVE-2017-18894

Mattermost » Mattermost Server » Version: N/A

cpe:2.3:a:mattermost:mattermost_server:-
Mattermost » Mattermost Server » Version: 0.5.0

cpe:2.3:a:mattermost:mattermost_server:0.5.0
Mattermost » Mattermost Server » Version: 0.6.0

cpe:2.3:a:mattermost:mattermost_server:0.6.0
Mattermost » Mattermost Server » Version: 1.0.0

cpe:2.3:a:mattermost:mattermost_server:1.0.0
Mattermost » Mattermost Server » Version: 1.1.0

cpe:2.3:a:mattermost:mattermost_server:1.1.0
Mattermost » Mattermost Server » Version: 1.1.1

cpe:2.3:a:mattermost:mattermost_server:1.1.1
Mattermost » Mattermost Server » Version: 1.2.0

cpe:2.3:a:mattermost:mattermost_server:1.2.0
Mattermost » Mattermost Server » Version: 1.2.1

cpe:2.3:a:mattermost:mattermost_server:1.2.1
Mattermost » Mattermost Server » Version: 1.3.0

cpe:2.3:a:mattermost:mattermost_server:1.3.0
Mattermost » Mattermost Server » Version: 1.4.0

cpe:2.3:a:mattermost:mattermost_server:1.4.0
Mattermost » Mattermost Server » Version: 2.0.0

cpe:2.3:a:mattermost:mattermost_server:2.0.0
Mattermost » Mattermost Server » Version: 2.1.0

cpe:2.3:a:mattermost:mattermost_server:2.1.0
Mattermost » Mattermost Server » Version: 2.2.0

cpe:2.3:a:mattermost:mattermost_server:2.2.0
Mattermost » Mattermost Server » Version: 3.0.0

cpe:2.3:a:mattermost:mattermost_server:3.0.0
Mattermost » Mattermost Server » Version: 3.0.1

cpe:2.3:a:mattermost:mattermost_server:3.0.1
Mattermost » Mattermost Server » Version: 3.0.2

cpe:2.3:a:mattermost:mattermost_server:3.0.2
Mattermost » Mattermost Server » Version: 3.0.3

cpe:2.3:a:mattermost:mattermost_server:3.0.3
Mattermost » Mattermost Server » Version: 3.1.0

cpe:2.3:a:mattermost:mattermost_server:3.1.0
Mattermost » Mattermost Server » Version: 3.10.0

cpe:2.3:a:mattermost:mattermost_server:3.10.0
Mattermost » Mattermost Server » Version: 3.10.1

cpe:2.3:a:mattermost:mattermost_server:3.10.1
Mattermost » Mattermost Server » Version: 3.10.2

cpe:2.3:a:mattermost:mattermost_server:3.10.2
Mattermost » Mattermost Server » Version: 3.10.3

cpe:2.3:a:mattermost:mattermost_server:3.10.3
Mattermost » Mattermost Server » Version: 3.2.0

cpe:2.3:a:mattermost:mattermost_server:3.2.0
Mattermost » Mattermost Server » Version: 3.3.0

cpe:2.3:a:mattermost:mattermost_server:3.3.0
Mattermost » Mattermost Server » Version: 3.4.0

cpe:2.3:a:mattermost:mattermost_server:3.4.0
Mattermost » Mattermost Server » Version: 3.5.0

cpe:2.3:a:mattermost:mattermost_server:3.5.0
Mattermost » Mattermost Server » Version: 3.5.1

cpe:2.3:a:mattermost:mattermost_server:3.5.1
Mattermost » Mattermost Server » Version: 3.5.2

cpe:2.3:a:mattermost:mattermost_server:3.5.2
Mattermost » Mattermost Server » Version: 3.5.3

cpe:2.3:a:mattermost:mattermost_server:3.5.3
Mattermost » Mattermost Server » Version: 3.6.0

cpe:2.3:a:mattermost:mattermost_server:3.6.0
Mattermost » Mattermost Server » Version: 3.6.1

cpe:2.3:a:mattermost:mattermost_server:3.6.1
Mattermost » Mattermost Server » Version: 3.6.2

cpe:2.3:a:mattermost:mattermost_server:3.6.2
Mattermost » Mattermost Server » Version: 3.6.3

cpe:2.3:a:mattermost:mattermost_server:3.6.3
Mattermost » Mattermost Server » Version: 3.6.4

cpe:2.3:a:mattermost:mattermost_server:3.6.4
Mattermost » Mattermost Server » Version: 3.6.5

cpe:2.3:a:mattermost:mattermost_server:3.6.5
Mattermost » Mattermost Server » Version: 3.6.6

cpe:2.3:a:mattermost:mattermost_server:3.6.6
Mattermost » Mattermost Server » Version: 3.6.7

cpe:2.3:a:mattermost:mattermost_server:3.6.7
Mattermost » Mattermost Server » Version: 3.7.0

cpe:2.3:a:mattermost:mattermost_server:3.7.0
Mattermost » Mattermost Server » Version: 3.7.1

cpe:2.3:a:mattermost:mattermost_server:3.7.1
Mattermost » Mattermost Server » Version: 3.7.2

cpe:2.3:a:mattermost:mattermost_server:3.7.2
Mattermost » Mattermost Server » Version: 3.7.3

cpe:2.3:a:mattermost:mattermost_server:3.7.3
Mattermost » Mattermost Server » Version: 3.7.4

cpe:2.3:a:mattermost:mattermost_server:3.7.4
Mattermost » Mattermost Server » Version: 3.7.5

cpe:2.3:a:mattermost:mattermost_server:3.7.5
Mattermost » Mattermost Server » Version: 3.7.6

cpe:2.3:a:mattermost:mattermost_server:3.7.6
Mattermost » Mattermost Server » Version: 3.8.0

cpe:2.3:a:mattermost:mattermost_server:3.8.0
Mattermost » Mattermost Server » Version: 3.8.1

cpe:2.3:a:mattermost:mattermost_server:3.8.1
Mattermost » Mattermost Server » Version: 3.8.2

cpe:2.3:a:mattermost:mattermost_server:3.8.2
Mattermost » Mattermost Server » Version: 3.8.3

cpe:2.3:a:mattermost:mattermost_server:3.8.3
Mattermost » Mattermost Server » Version: 3.9.0

cpe:2.3:a:mattermost:mattermost_server:3.9.0
Mattermost » Mattermost Server » Version: 3.9.1

cpe:2.3:a:mattermost:mattermost_server:3.9.1
Mattermost » Mattermost Server » Version: 3.9.2

cpe:2.3:a:mattermost:mattermost_server:3.9.2
Mattermost » Mattermost Server » Version: 4.0.0

cpe:2.3:a:mattermost:mattermost_server:4.0.0
Mattermost » Mattermost Server » Version: 4.0.1

cpe:2.3:a:mattermost:mattermost_server:4.0.1
Mattermost » Mattermost Server » Version: 4.0.2

cpe:2.3:a:mattermost:mattermost_server:4.0.2
Mattermost » Mattermost Server » Version: 4.0.3

cpe:2.3:a:mattermost:mattermost_server:4.0.3
Mattermost » Mattermost Server » Version: 4.0.4

cpe:2.3:a:mattermost:mattermost_server:4.0.4
Mattermost » Mattermost Server » Version: 4.1.0

cpe:2.3:a:mattermost:mattermost_server:4.1.0
Mattermost » Mattermost Server » Version: 4.2.0

cpe:2.3:a:mattermost:mattermost_server:4.2.0

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Vulnerability Details CVE-2017-18894

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