Vulnerability CVE-2021-37863


Published: 2021-12-17

Description:
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.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Mattermost -> Mattermost server 

 References:
https://hackerone.com/reports/1253732
https://mattermost.com/security-updates/

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