Actively exploited in the wild
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
Atlassian - Confluence Server/Data Center · Listed in the CISA KEV since 2022-06-02. This indicates confirmed attacks in production environments.
Required action: Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.
CVE-2022-26134
CriticalCVSS 9.8KEVSummary
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that allows an unauthenticated attacker to execute arbitrary code on the instance. Affected versions range from 1.3.0 before 7.4.17, 7.13.0 before 7.13.7, 7.14.0 before 7.14.3, 7.15.0 before 7.15.2, 7.16.0 before 7.16.4, 7.17.0 before 7.17.4, and 7.18.0 before 7.18.1.
Risk Assessment
An unauthenticated attacker can execute arbitrary code on the Confluence server, potentially leading to full system compromise and data integrity loss.
Recommendation
Immediately update Confluence Server or Data Center to a patched version (e.g., 7.4.17, 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.18.1 or later).
Other vulnerabilities in Confluence Server and Data Center
Original NVD description (English source)
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.