CVE-2018-21260: An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations…

PriorityP49low2.7CVSS 3.1

AVNACLPRHUINSUCLINAN

EPSS

0.74%

50.8th percentile

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	>= 4.6.0 < 4.6.3	4.6.3
mattermost	mattermost_server	>= 4.7.0 < 4.7.4	4.7.4
mattermost	mattermost_server	>= 4.8.0 < 4.8.1	4.8.1

CVSS provenance

nvdv3.12.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N

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