CVE-2022-26138: Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability

CVE-2022-26138 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-07-29

The Atlassian Questions For Confluence app creates a local user account with the username 'disabledsystemuser' and a hardcoded password. A remote, unauthenticated attacker with knowledge of these credentials can log into Confluence and access all content available to the confluence-users group.

Vendors: Atlassian.

Quick answers

Is CVE-2022-26138 exploited in the wild?
Yes. CVE-2022-26138 is known to be exploited in the wild, first recorded on 29 July 2022. Treat it as urgent.
How severe is CVE-2022-26138?
Critical severity, with a CVSS score of 9.8, published 29 July 2022.
Which products and versions are affected?
Atlassian Questions For Confluence 2.7.34, 2.7.35, 3.0.2; Atlassian Confluence Server; Atlassian Confluence Data Center.
Is there a fix for CVE-2022-26138?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-26138 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-26138?
Check whether you run Atlassian Confluence. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Atlassian Questions For Confluence 2.7.34, 2.7.35, 3.0.2
  • Atlassian Confluence Server
  • Atlassian Confluence Data Center

Timeline

  • 2022-07-20: disclosed: Initial disclosure by Atlassian and NVD publication.
  • 2022-07-29: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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