CVE-2018-21259

published 2020-06-19

CVE-2018-21259: An issue was discovered in Mattermost Server before 4.10.1, 4.9.4, and 4.8.2. It allows attackers to cause a denial of service (application hang) via a…

Priority P4 19 medium 5.3 CVSS 3.1

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

An issue was discovered in Mattermost Server before 4.10.1, 4.9.4, and 4.8.2. It allows attackers to cause a denial of service (application hang) via a malformed link in a channel.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	< 4.8.2	4.8.2
mattermost	mattermost_server	>= 4.10.0 < 4.10.1	4.10.1
mattermost	mattermost_server	>= 4.9.0 < 4.9.4	4.9.4

CVSS provenance

nvd v3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

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CWE-20