CVE-2018-21251: An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the…

PriorityP342critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.20%

64.9th percentile

An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	< 5.1.1	5.1.1
mattermost	mattermost_server	—	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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