Important: cPanel & WHM 11.30 Security Release
cPanel has released new builds for all public update tiers. These updates provide targeted changes to address security concerns with the cPanel & WHM product. These builds are currently available to all customers via the standard update system.
cPanel has rated this update as having important security impact. Information on security ratings is available at http://go.cpanel.net/securitylevels.
If your deployed cPanel & WHM servers are configured to automatically update when new releases are available, then no action is required. Your systems will update automatically. If you have disabled automatic updates, then you are highly encouraged to update your cPanel & WHM installs at your earliest convenience.
Releases
Version 11.30.7.4 of cPanel & WHM addresses all known vulnerabilities. The latest public releases of cPanel & WHM for all update tiers are published at http://httpupdate.cpanel.net.
Security Issue Information
The resolved security issues were identified by various members of the development and quality assurance teams at cPanel. There is no reason to believe that these vulnerabilities are known to the public. As such, cPanel will only release limited information regarding the vulnerabilities.
Once sufficient time has passed to allow cPanel & WHM systems to automatically update their installed software to the new versions, cPanel will release additional information regarding the nature of the security issue. This Targeted Security Release addresses five vulnerabilities. Additional information is scheduled to be released December 6, 2012, via email.
For information regarding our Versions and Release Process, please see attached link.
http://docs.cpanel.net/twiki/bin/view/AllDocumentation/InstallationGuide/CpanelProductVersions