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TI-2020-03511 Aliases CVE-2020-4020GHSA-72w5-xxp4-hp3g

The file downloading functionality in the Atlassian Companion App before version 1.0.0…

Priority LOW 35Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01669 76th percentileScored 2026-11-07
Fix Fixed Companion App (Atlassian): 1.0.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianCompanion Appbefore 1.0.01.0.0Patch availableCNA
  • Companion App VendorAtlassian Affected before 1.0.0 Fixed in 1.0.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:companion:*:*:*:*:*:*:*:*before 1.0.0VulnerableAtlassian
  • cpe:2.3:a:atlassian:companion:*:*:*:*:*:*:*:* Versions before 1.0.0 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Companion App (Atlassian) Fixed in 1.0.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Atlassian Companion App 1.0.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2020-03510 Untrusted search path in Atlassian Companion AppPriority LOW 34

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4020
  2. 2026-10-03 Alias added: GHSA-72w5-xxp4-hp3g

References

  • TI-2023-08763 Certain versions of the Atlassian Companion App for MacOS were affected by a remote code… CVSS 3.1CRITICAL 9.8
  • TI-2020-03510 Untrusted search path in Atlassian Companion App CVSS 3.1HIGH 7.8

Sources