Atlassian Confluence - Remote Code Execution (CVE-2021-26084)
- CVSSv3 Score
- Vulnerability description
Atlassian Confluence is affected by a Remote Code Execution, located on the createpage-entervariables.action endpoint. Versions lower than 7.12.5 are vulnerable to this OGNL Injection vulnerability. This allows a malicious user to execute arbitrary code on the server.
- Risk description
The risk exists that a remote unauthenticated attacker can fully compromise the Confluence Server in order to steal confidential information, install ransomware or pivot to the internal network.
- Exploit capabilities
Sniper can gain unauthenticated Remote Code Execution on the target system and extract multiple artefacts as evidence.
Upgrade the Confluence server to a version higher than 7.12.5.
- Not available