CVE-2019-20844

published 2020-06-19

CVE-2019-20844: An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the…

Priority P4 27 medium 6.5 CVSS 3.1

AV N AC L PR N UI R S U C N I H A N

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	< 5.9.7	5.9.7
mattermost	mattermost_server	—	—
mattermost	mattermost_server	>= 5.15.0 < 5.15.4	5.15.4
mattermost	mattermost_server	>= 5.16.0 < 5.16.4	5.16.4
mattermost	mattermost_server	>= 5.17.0 < 5.17.2	5.17.2

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

nvd v2.0 4.3 MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N

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CWE-924