What is the Vulnerability?
On Jan 16 2024, Atlassian released an advisory for a template injection vulnerability on Confluence Data Center and Server. That can allow an unauthenticated attacker to remotely execute malicious code on affected versions. This vulnerability is rated with a severity level of 10.0 (Critical).
What is the Vendor Solution?
Atlassian highly recommend to apply the latest version available as listed on their advisory. [ Link ]
What FortiGuard Coverage is available?
FortiGuard Labs has an IPS signature “Atlassian.Confluence.CVE-2023-22527.Remote.Code.Execution” in place for CVE-2023-22527. The FortiGuard is seeing active exploitation attempts on this vulnerability.