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CVE-2023-22515

9.8 · CRITICALActively Exploited

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 Ce…

Published Oct 4, 2023CWE-20EPSS 99.22%

Overview

CVE-2023-22515 is a critical-severity vulnerability. It was published on October 4, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.htmlRefconfluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515Refconfluence.atlassian.com/pages/viewpage.action?pageId=1295682276Refjira.atlassian.com/browse/CONFSERVER-92475Refpacketstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.htmlRefconfluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515Refconfluence.atlassian.com/pages/viewpage.action?pageId=1295682276Refjira.atlassian.com/browse/CONFSERVER-92475CISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22515

How CyberStrike helps

Frequently asked questions

What is CVE-2023-22515?

CVE-2023-22515 is a critical-severity vulnerability. It was published on October 4, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2023-22515?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-22515?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-22515?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-22515 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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