Remote Code Execution Vulnerability in Atlassian Companion App for Confluence Server
CVE-2020-4020

7.2HIGH

Key Information:

Vendor
Atlassian
Status
Companion App
Vendor
CVE Published:
1 June 2020

Summary

The Atlassian Companion App contains a vulnerability that allows remote attackers to execute arbitrary executable (.exe) files. This occurs through a failure in the app's protection mechanism, which is exploited when the Companion App is connected to a compromised Confluence Server instance. This flaw highlights the importance of maintaining updated software versions and securing server environments to mitigate potential attack vectors.

Affected Version(s)

Companion App < 1.0.0

References

https://jira.atlassian.com/browse/CONFSERVER-59733
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.