CVE-2023-4478

Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server:8.0.0:::::::*

History

21 Nov 2024, 08:35

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates - Vendor Advisory~~	() https://mattermost.com/security-updates - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~8.2~~	v2 : unknown v3 : 4.3

31 Aug 2023, 17:44

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mattermost:mattermost_server:::::::: cpe:2.3:a:mattermost:mattermost_server:8.0.0:::::::*
References	~~(MISC) https://mattermost.com/security-updates -~~	(MISC) https://mattermost.com/security-updates - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.2
First Time		Mattermost mattermost Server Mattermost
CWE		CWE-74

25 Aug 2023, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-08-25 10:15

Updated : 2024-11-21 08:35

NVD link : CVE-2023-4478

Mitre link : CVE-2023-4478

CVE.ORG link : CVE-2023-4478

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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