Situation
An authenticated cPanel account holder can escalate their privileges through cPanel's CalDAV and CardDAV functionality.
Affected Product Versions
| Product | Affected Versions | Patched Versions |
|---|---|---|
| cPanel/WHM | v120 or later |
|
Impact
Successful exploitation leads to code execution as the root user, giving an attacker full control of the server.
Call to action
Update to the latest patched version: How do I update cPanel/WHM?
Acknowledgements
We would like to thank Ali Mustafa (rz1027) for responsibly disclosing this vulnerability.
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