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CVE-2021-37863

nvd nist
Published: Dec 17, 2021Modified: Jun 17, 2026

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5.7
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Exploitability: 2.1 / Impact: 3.6
Source: NVD

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.

Affected (1)

Mattermost
1 product
Mattermost Server
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost Server
Up to 6.0

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (4)

Source: responsibledisclosure@mattermost.com
Permissions Required
Source: responsibledisclosure@mattermost.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.