CVE-2018-21263: An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML…

PriorityP343high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

0.93%

56.9th percentile

An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	< 4.5.2	4.5.2
mattermost	mattermost_server	—	—
mattermost	mattermost_server	>= 4.6.0 < 4.6.2	4.6.2

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

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