Vulnerability · Published Jun 1, 2020 · Assigned by atlassian

CVE-2020-4020

High 7.2

In plain English

A high-severity security flaw in Companion App from Atlassian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)7.2High
Exploit odds (30 days)1.7%top 23.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Atlassian Companion App unspecified – before 1.0.0

References