CVE Vulnerability

CVE-2018-21256

An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for group-message channel creation) via the Group message slash command.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

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

Configuration 1

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Information

Published : 2020-06-19 06:15

Updated : 2020-06-30 07:38

NVD link : CVE-2018-21256

Mitre link : CVE-2018-21256

Products Affected
No products.
CWE
CWE-732