CVE-2019-20847

An issue was discovered in Mattermost Server before 5.18.0. An attacker can send a user_typing WebSocket event to any channel.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
mattermostmattermost_server
𝑥
< 5.18.0
𝑥
= Vulnerable software versions
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/