Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability (CVE-2022-26134)
Severity: critical · Patch status: patched · Since 2022-06-02 · CVE-2022-26134
Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution. CISA added CVE-2022-26134 to its Known Exploited Vulnerabilities catalog on Jun 2, 2022, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- 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.
- US federal agencies must remediate by Jun 6, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
