CVE-2021-37862
LOWMattermost < 6.0 - Email Address Spoofing via Crafted Invitation Token
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://mattermost.com/security-updates/
Permissions Required x_refsource_misc
https://hackerone.com/reports/1357013
Scores
CVSS v3
3.7
EPSS
0.0017
EPSS Percentile
37.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Details
CWE
CWE-754
Status
published
Products (1)
mattermost/mattermost_server
< 6.0
Published
Dec 17, 2021
Tracked Since
Feb 18, 2026