CVE-2023-22515

high-risk
Published 2023-10-04

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.

Do I need to act?

!
94.3% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Atlassian

References (9)

Exploit http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated...
Vendor Advisory https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515
Vendor Advisory https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276
Issue Tracking https://jira.atlassian.com/browse/CONFSERVER-92475
Exploit http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated...
Vendor Advisory https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515
Vendor Advisory https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276
Issue Tracking https://jira.atlassian.com/browse/CONFSERVER-92475
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
66
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 7/34 · Low