ClosedCriticalPatched

Atlassian Confluence Data Center and Server Template Injection

Atlassian Confluence Data Center and Server

Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution. Added to the CISA KEV catalog on 2024-01-24. CISA lists known use in ransomware campaigns. CVE-2023-22527 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 10 (v3.0, CNA), actively exploited (CISA KEV); known ransomware use

Started: Jan 16, 2024
Closed: Jan 24, 2024
CVE: CVE-2023-22527

Follow this incident

Updated Jan 24, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline2

Jan 24, 2024
CISA added CVE-2023-22527 to the KEV catalog (federal deadline 2024-02-14)
Source
Jan 16, 2024
CVE-2023-22527 published
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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