CVE-2022-26138

Vulnerability ID

CVE-2022-26138

Severity

CRITICAL

Severity Score

9.8

Summary

The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app.

References

https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html

https://jira.atlassian.com/browse/CONFSERVER-79483

Mitigation and Patches

https://jira.atlassian.com/browse/CONFSERVER-79483

Exploits

https://github.com/alcaparra/CVE-2022-26138

https://github.com/z92g/CVE-2022-26138

https://github.com/Vulnmachines/Confluence-Question-CVE-2022-26138-

https://github.com/alcaparra/CVE-2022-26138

https://twitter.com/Shadowserver/status/1550958400632066048

https://github.com/z92g/CVE-2022-26138