Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N C H H H 10.0 .9916 99.9 YES
AFFECTED Product Versions Fixed Confluence Data Center >= 8.0.0 – < 8.0.0 Confluence Server >= 8.0.0 – < 8.0.0
TIMELINE Jan 1 Reserved by atlassian Oct 4 Published (CNA: atlassian) Oct 5 Added to CISA KEV, remediation due 2023-10-13
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.
| Date | Event | Detail |
|---|---|---|
| January 1, 2023 | Reserved | Reserved by atlassian |
| October 4, 2023 | Published | Published (CNA: atlassian) |
| October 5, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-10-13 |
Authoritative record: CVE-2023-22515 at cve.org
Vendors: atlassian
Weaknesses: CWE-20
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-22515 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
