1. Home
  2. CVE Database
  3. CVE-2020-4020
HIGH · 7.2

CVE-2020-4020

The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute...

Vulnerability Description

The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AtlassianCompanion< 1.0.0

References

FAQ

What is CVE-2020-4020?

CVE-2020-4020 is a vulnerability with a CVSS score of 7.2 (HIGH). The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute...

How severe is CVE-2020-4020?

CVE-2020-4020 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-4020?

Check the references section above for vendor advisories and patch information. Affected products include: Atlassian Companion.