CVEvulnerability

CVE-2021-37863

5.7 MEDIUM Published 2021-12-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.5 LOW — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:N/I:N/A:P
Weaknesses
CWE-20

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 configurations

• mattermost mattermost server (<= 6.0)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References