cve.bz

CVE-2023-22527

9.8 criticalKEVEPSS 100%

Critical (9.8) in Atlassian Confluence Data Center and Server. In CISA KEV since 2024-01-24, with known ransomware use. EPSS 100% chance of exploitation in the next 30 days.

A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
100% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2024-01-24, due 2024-02-14, known ransomware use
CWE
CWE-74
Published
Modified
Record from
the NVD, synced

Affected

References

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