CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

CVE-2023-22518 · Severity: critical · CVSS 10 · Exploited in the wild · Published 2023-11-07

An improper authorization vulnerability in Atlassian Confluence Data Center and Server allows unauthenticated attackers to reset the instance and create a new administrator account. This can lead to a full loss of confidentiality, integrity, and availability as the attacker gains complete administrative control.

Technologies: Atlassian Confluence Data Center, Atlassian Confluence Server, Atlassian Server. Vendors: Atlassian.

Quick answers

Is CVE-2023-22518 exploited in the wild?
Yes. CVE-2023-22518 is known to be exploited in the wild, first recorded on 7 November 2023. Treat it as urgent.
How severe is CVE-2023-22518?
Critical severity, with a CVSS score of 10, published 7 November 2023.
Which products and versions are affected?
Atlassian Confluence Data Center All versions prior to 7.19.16, 8.3.4, 8.4.4, 8.5.3, and 8.6.0; Atlassian Confluence Server All versions prior to 7.19.16, 8.3.4, 8.4.4, 8.5.3, and 8.6.0.
Is there a fix for CVE-2023-22518?
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-2023-22518 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-22518?
Check whether you run Atlassian Confluence Data Center, Atlassian Confluence Server or Atlassian Server. 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 Confluence Data Center All versions prior to 7.19.16, 8.3.4, 8.4.4, 8.5.3, and 8.6.0
  • Atlassian Confluence Server All versions prior to 7.19.16, 8.3.4, 8.4.4, 8.5.3, and 8.6.0

Timeline

  • 2023-11-07: disclosed
  • 2023-11-07: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-11-07: advisory

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