Account Linking Vulnerability in Mattermost GitHub Plugin
CVE-2019-20864

7.5HIGH

Key Information:

Vendor
Mattermost
Status
Mattermost Plugins
Vendor
CVE Published:
19 June 2020

Summary

A security flaw in the Mattermost GitHub plugin, prior to version 5.13.0, allows attackers to link their Mattermost accounts with those of unsuspecting users on GitHub. This exploit could lead to unauthorized access and potentially misuse of the person’s GitHub account credentials, posing significant risks to user accounts and associated services.

References

https://mattermost.com/security-updates/
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.