CVE-2022-26138

Known Exploited

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 94.26% Top 5%
KEV Since 
Vendor Advisory atlassian.com Vendor Advisory atlassian.com
Affected: Atlassian Questions For Confluence
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/CONFSERVER-79483 issue tracking patch vendor advisory
https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-26138?
CVE-2022-26138 has been scored as a critical severity vulnerability.
How to fix CVE-2022-26138?
To fix CVE-2022-26138, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-26138 being actively exploited in the wild?
It is confirmed that CVE-2022-26138 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-26138?
CVE-2022-26138 affects Atlassian Questions For Confluence.
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