SARA / Free Tools / KEV / CVE-2023-22518

CVE-2023-22518 on CISA KEV

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attack

CISA KEV — Actively Exploited

Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

Vendor / Product
— / Atlassian / Confluence Data Center and Server
Added to KEV
2023-11-07
BOD 22-01 due
2023-11-28
Ransomware use
Known
CVSS / EPSS
10.0 CRITICAL · EPSS 94.38%

01What CISA says about this vulnerability

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but…

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< 1.0.0, >= 1.0.0, >= 7.19.16, >= 8.3.4, >= 8.4.4, >= 8.5.3, >= 8.6.1
AtlassianConfluence Server< 1.0.0, >= 1.0.0, >= 7.19.16, >= 8.3.4, >= 8.4.4, >= 8.5.3, >= 8.6.1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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