CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability

CVE-2023-22527 · Severity: critical · CVSS 10 · Exploited in the wild · Published 2024-01-24

Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability. An attacker can exploit this to achieve remote code execution (RCE) on affected instances. This vulnerability primarily impacts older, unsupported versions as recent supported versions were mitigated during regular updates.

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

Quick answers

Is CVE-2023-22527 exploited in the wild?
Yes. CVE-2023-22527 is known to be exploited in the wild, first recorded on 24 January 2024. Treat it as urgent.
How severe is CVE-2023-22527?
Critical severity, with a CVSS score of 10, published 24 January 2024.
Which products and versions are affected?
Atlassian Confluence Data Center 8.0.0 to < 8.5.4, 8.7.0 to < 8.7.1; Atlassian Confluence Server 8.0.0 to < 8.5.4, 8.7.0 to < 8.7.1.
Is there a fix for CVE-2023-22527?
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-2023-22527 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-22527?
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 8.0.0 to < 8.5.4, 8.7.0 to < 8.7.1
  • Atlassian Confluence Server 8.0.0 to < 8.5.4, 8.7.0 to < 8.7.1

Timeline

  • 2024-01-24: disclosed
  • 2024-01-24: advisory
  • 2024-01-24: kev added: Added to CISA KEV catalog
  • 2024-01-24: exploited: Reported as exploited in the wild in the advisory and CISA KEV.

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