CVE-2023-22518

9.8 CRITICAL CISA KEV - Actively Exploited
Published: October 31, 2023 Modified: October 24, 2025

Description

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 not limited to - full loss of confidentiality, integrity and availability.  Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://confluence.atlassian.com/pages/viewpage.action?pageId=1311473907
Source: security@atlassian.com
Issue Tracking Mitigation Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-93142
Source: security@atlassian.com
Issue Tracking Mitigation Vendor Advisory
http://packetstormsecurity.com/files/176264/Atlassian-Confluence-Improper-Authorization-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://confluence.atlassian.com/pages/viewpage.action?pageId=1311473907
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mitigation Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-93142
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mitigation Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22518
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
94.4%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-11-28

Weaknesses (CWE)

Affected Vendors

atlassian