CVE-2023-22524

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 24.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-06 · updated 2026-06-17

Description

Certain versions of the Atlassian Companion App for MacOS were affected by a remote code execution vulnerability. An attacker could utilize WebSockets to bypass Atlassian Companion’s blocklist and MacOS Gatekeeper to allow execution of code.

Affected products

Atlassian Companion App: from 1.0.0 before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: Atlassian Companion App 2.0.0. Check the vendor advisory for mitigations.

References

https://confluence.atlassian.com/security/cve-2023-22524-rce-vulnerability-in-atlassian-companion-app-for-macos-1319249492.html
https://jira.atlassian.com/browse/CONFSERVER-93518
https://confluence.atlassian.com/security/cve-2023-22524-rce-vulnerability-in-atlassian-companion-app-for-macos-1319249492.html
https://jira.atlassian.com/browse/CONFSERVER-93518

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