Global infos:

Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.

CVE Status: Modified

References:

[email protected]

af854a3a-2127-422b-91ae-364da2661108

Metrics:

Attribute	Value
Attack Complexity	HIGH
Attack Vector	NETWORK
Availability Impact	NONE
Base Score	3.1
Base Severity	LOW
Confidentiality Impact	NONE
Integrity Impact	LOW
Privileges Required	LOW
Scope	UNCHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Exploitability Score	1.6
Impact Score	1.4
Source	[email protected]
Type	Secondary

Links:

Exploit-db
Github