CVE-2023-22527
CVSS v3
9.8
CRITICAL
EPSS Score
94.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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.
CISA Known Exploited Vulnerability
- Date Added
- 2024-01-24
- Patch Due Date
- 2024-02-14
- Ransomware Use
- Known
Technical details
- Published
- 2024-01-16
Frequently asked questions
What is CVE-2023-22527?
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.
Is CVE-2023-22527 actively exploited?
Yes. CVE-2023-22527 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2/14/2024.
What is the CVSS score for CVE-2023-22527?
CVE-2023-22527 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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