CVE-2023-22515
CVSS v3
9.8
CRITICAL
EPSS Score
94.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2023-10-05
- Patch Due Date
- 2023-10-13
- Ransomware Use
- Known
Technical details
- Published
- 2023-10-04
Frequently asked questions
What is CVE-2023-22515?
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.
Is CVE-2023-22515 actively exploited?
Yes. CVE-2023-22515 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-10-13.
What is the CVSS score for CVE-2023-22515?
CVE-2023-22515 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-22515 affecting your environment?
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