January 24, 2024 · Applied Cybernetics Group
CVE-2023-22527 — Atlassian Confluence Data Center and Server
known ransomware use
Atlassian Confluence Data Center and Server Template Injection Vulnerability
- Added to KEV
2024-01-24- Federal due date
2024-02-14- Vendor
- Atlassian
- Product
- Confluence Data Center and Server
- EPSS
- 100.0th percentile (score 0.944, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-22527
CISA short description
Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.