CVE-2020-4020

HighCVSS 7.2/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
Atlassian	Companion App	>= unspecified, < 1.0.0

References

https://jira.atlassian.com/browse/CONFSERVER-59733Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-59733Vendor Advisory

Timeline

Published: Jun 1, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-40215.4Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject a CVE-2020-40226.1The attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8 CVE-2020-40235.4The review coverage resource in Atlassian Fisheye and Crucible before version 4.8.2 allows remote attackers to inject arbitrary HTML or Java CVE-2020-40245.4The attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8 CVE-2020-40254.8The attachment download resource in Atlassian Jira Server and Data Center The attachment download resource in Atlassian Jira Server and Data CVE-2020-40264.3The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from v CVE-2020-40274.7Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass v CVE-2020-40285.3Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in som CVE-2020-40294.3The /rest/project-templates/1.0/createshared resource in Atlassian Jira Server and Data Center before version 8.5.5, from 8.6.0 before 8.7.2 CVE-2020-40306.5In FreeRDP before version 2.1.2, there is an out of bounds read in TrioParse. Logging might bypass string length checks due to an integer ov CVE-2020-40317.5In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-ord CVE-2020-40324.3In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /re