SARA / Free Tools / KEV / CVE-2023-22527

CVE-2023-22527 on CISA KEV

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.

CISA KEV — Actively Exploited

Atlassian Confluence Data Center and Server Template Injection Vulnerability

Vendor / Product
— / Atlassian / Confluence Data Center and Server
Added to KEV
2024-01-24
BOD 22-01 due
2024-02-14
Ransomware use
Known
CVSS / EPSS
10.0 CRITICAL · EPSS 94.36%

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
AtlassianConfluence Data Center< 8.0.0, >= 8.0.0, >= 8.1.0, >= 8.2.0, >= 8.3.0, >= 8.4.0, >= 8.5.0, >= 8.5.1, >= 8.5.2, >= 8.5.3, >= 8.5.4, >= 8.6.0, >= 8.7.1
AtlassianConfluence Server< 8.0.0, >= 8.0.0, >= 8.1.0, >= 8.2.0, >= 8.3.0, >= 8.4.0, >= 8.5.0, >= 8.5.1, >= 8.5.2, >= 8.5.3, >= 8.5.4, >= 8.6.0

06Detection

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