CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2019-20871

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 59.1%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2019-20871

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: 4.0.5

cpe:2.3:a:mattermost:mattermost_server:4.0.5
Mattermost » Mattermost Server » Version: 4.1.0

cpe:2.3:a:mattermost:mattermost_server:4.1.0
Mattermost » Mattermost Server » Version: 4.1.1

cpe:2.3:a:mattermost:mattermost_server:4.1.1
Mattermost » Mattermost Server » Version: 4.1.2

cpe:2.3:a:mattermost:mattermost_server:4.1.2
Mattermost » Mattermost Server » Version: 4.10.0

cpe:2.3:a:mattermost:mattermost_server:4.10.0
Mattermost » Mattermost Server » Version: 4.10.1

cpe:2.3:a:mattermost:mattermost_server:4.10.1
Mattermost » Mattermost Server » Version: 4.10.2

cpe:2.3:a:mattermost:mattermost_server:4.10.2
Mattermost » Mattermost Server » Version: 4.10.3

cpe:2.3:a:mattermost:mattermost_server:4.10.3
Mattermost » Mattermost Server » Version: 4.10.4

cpe:2.3:a:mattermost:mattermost_server:4.10.4
Mattermost » Mattermost Server » Version: 4.10.5

cpe:2.3:a:mattermost:mattermost_server:4.10.5
Mattermost » Mattermost Server » Version: 4.10.6

cpe:2.3:a:mattermost:mattermost_server:4.10.6
Mattermost » Mattermost Server » Version: 4.10.7

cpe:2.3:a:mattermost:mattermost_server:4.10.7
Mattermost » Mattermost Server » Version: 4.2.0

cpe:2.3:a:mattermost:mattermost_server:4.2.0
Mattermost » Mattermost Server » Version: 4.2.1

cpe:2.3:a:mattermost:mattermost_server:4.2.1
Mattermost » Mattermost Server » Version: 4.2.2

cpe:2.3:a:mattermost:mattermost_server:4.2.2
Mattermost » Mattermost Server » Version: 4.3.0

cpe:2.3:a:mattermost:mattermost_server:4.3.0
Mattermost » Mattermost Server » Version: 4.3.1

cpe:2.3:a:mattermost:mattermost_server:4.3.1
Mattermost » Mattermost Server » Version: 4.3.2

cpe:2.3:a:mattermost:mattermost_server:4.3.2
Mattermost » Mattermost Server » Version: 4.3.3

cpe:2.3:a:mattermost:mattermost_server:4.3.3
Mattermost » Mattermost Server » Version: 4.3.4

cpe:2.3:a:mattermost:mattermost_server:4.3.4
Mattermost » Mattermost Server » Version: 4.4.0

cpe:2.3:a:mattermost:mattermost_server:4.4.0
Mattermost » Mattermost Server » Version: 4.4.1

cpe:2.3:a:mattermost:mattermost_server:4.4.1
Mattermost » Mattermost Server » Version: 4.4.2

cpe:2.3:a:mattermost:mattermost_server:4.4.2
Mattermost » Mattermost Server » Version: 4.4.3

cpe:2.3:a:mattermost:mattermost_server:4.4.3
Mattermost » Mattermost Server » Version: 4.4.4

cpe:2.3:a:mattermost:mattermost_server:4.4.4
Mattermost » Mattermost Server » Version: 4.4.5

cpe:2.3:a:mattermost:mattermost_server:4.4.5
Mattermost » Mattermost Server » Version: 4.5.0

cpe:2.3:a:mattermost:mattermost_server:4.5.0
Mattermost » Mattermost Server » Version: 4.5.1

cpe:2.3:a:mattermost:mattermost_server:4.5.1
Mattermost » Mattermost Server » Version: 4.5.2

cpe:2.3:a:mattermost:mattermost_server:4.5.2
Mattermost » Mattermost Server » Version: 4.6.0

cpe:2.3:a:mattermost:mattermost_server:4.6.0
Mattermost » Mattermost Server » Version: 4.6.1

cpe:2.3:a:mattermost:mattermost_server:4.6.1
Mattermost » Mattermost Server » Version: 4.6.2

cpe:2.3:a:mattermost:mattermost_server:4.6.2
Mattermost » Mattermost Server » Version: 4.6.3

cpe:2.3:a:mattermost:mattermost_server:4.6.3
Mattermost » Mattermost Server » Version: 4.7.0

cpe:2.3:a:mattermost:mattermost_server:4.7.0
Mattermost » Mattermost Server » Version: 4.7.1

cpe:2.3:a:mattermost:mattermost_server:4.7.1
Mattermost » Mattermost Server » Version: 4.7.2

cpe:2.3:a:mattermost:mattermost_server:4.7.2
Mattermost » Mattermost Server » Version: 4.7.3

cpe:2.3:a:mattermost:mattermost_server:4.7.3
Mattermost » Mattermost Server » Version: 4.7.4

cpe:2.3:a:mattermost:mattermost_server:4.7.4
Mattermost » Mattermost Server » Version: 4.8.0

cpe:2.3:a:mattermost:mattermost_server:4.8.0
Mattermost » Mattermost Server » Version: 4.8.1

cpe:2.3:a:mattermost:mattermost_server:4.8.1
Mattermost » Mattermost Server » Version: 4.8.2

cpe:2.3:a:mattermost:mattermost_server:4.8.2
Mattermost » Mattermost Server » Version: 4.9.0

cpe:2.3:a:mattermost:mattermost_server:4.9.0
Mattermost » Mattermost Server » Version: 4.9.1

cpe:2.3:a:mattermost:mattermost_server:4.9.1
Mattermost » Mattermost Server » Version: 4.9.2

cpe:2.3:a:mattermost:mattermost_server:4.9.2
Mattermost » Mattermost Server » Version: 4.9.3

cpe:2.3:a:mattermost:mattermost_server:4.9.3
Mattermost » Mattermost Server » Version: 4.9.4

cpe:2.3:a:mattermost:mattermost_server:4.9.4
Mattermost » Mattermost Server » Version: 5.7.0

cpe:2.3:a:mattermost:mattermost_server:5.7.0
Mattermost » Mattermost Server » Version: 5.7.1

cpe:2.3:a:mattermost:mattermost_server:5.7.1
Mattermost » Mattermost Server » Version: 5.7.2

cpe:2.3:a:mattermost:mattermost_server:5.7.2
Mattermost » Mattermost Server » Version: 5.8.0

cpe:2.3:a:mattermost:mattermost_server:5.8.0
Mattermost » Mattermost Server » Version: 5.9.0

cpe:2.3:a:mattermost:mattermost_server:5.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2019-20871

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