VULNERABILITY INTELLIGENCE
CVE-2023-22515
CVSS score9.8 CRITICAL
EPSS probability99.22%
CISA KEVKnown exploited vulnerability
Published2023-10-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
Vendor / product: Atlassian / Confluence Data Center and Server
Description
Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. 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.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-20
Primary references
- security@atlassian.com — Exploit, Third Party Advisory, VDB Entry
- security@atlassian.com — Vendor Advisory
- security@atlassian.com — Vendor Advisory
- security@atlassian.com — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource