CVE-2021-37862: Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using…

PriorityP425medium5.4CVSS 3.1

AVNACLPRNUIRSUCLILAN

EPSS

0.67%

48.1th percentile

Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost	unspecified – 6.0	—
mattermost	mattermost_server	<= 6.0	—

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

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