CVE-2021-37863

Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
MattermostCNA
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
mattermostmattermost_server
𝑥
≤ 6.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hackerone.com/reports/1253732
https://mattermost.com/security-updates/
https://hackerone.com/reports/1253732
https://mattermost.com/security-updates/