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

CVE-2023-22518 — Atlassian Confluence Data Center and Server Improper Authorization 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 attack

CVSS
10.0 CRITICAL
EPSS
94.38% (top 0.00%)
CWE
Published
2023-10-31T14:30:00.418Z
Last modified
2025-10-21T23:05:32.975Z
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA KEV — Actively Exploited
Added to KEV
2023-11-07
BOD 22-01 due
2023-11-28
Ransomware use
Known

01What is 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…

02Affected products

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

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-11-07. Ransomware use: Known.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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