Privilege escalation to system admin via personal access tokens
CVE-2023-2515

8.8HIGH

Key Information:

Vendor
Mattermost
Status
Mattermost
Vendor
CVE Published:
12 May 2023

Summary

Mattermost contains a vulnerability that allows users with specific permissions to edit other users and create personal access tokens, potentially enabling them to elevate their privileges to that of a system administrator. This flaw underscores the importance of ensuring proper access controls and user permissions within the Mattermost platform to protect sensitive system functionalities.

Affected Version(s)

Mattermost 0 <= 7.1.7

Mattermost 0 <= 7.7.3

Mattermost 0 <= 7.8.2

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eva Sarafianou
.