CVE-2020-4020
HIGH
7.2
CVSS Score
Published: June 1, 2020 at 06:35 AM UTC
Updated: June 17, 2026 at 03:19 AM UTC
1 product affected across 1 vendorCompanion
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Severity
HIGH7.2
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Companion· Atlassianatlassian-app
95%v < 1.0.0
Affected range stops below 1.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/CONFSERVER-59733CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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