HP Security Bulletin HPSBST03131 – A potential security vulnerability has been identified with certain HP StoreOnce Backup systems running Bash Shell. This is the Bash Shell vulnerability known as “Shellshock” which could be exploited remotely to allow execution of code. NOTE: Versions of HP StoreOnce Backup software prior to 3.11.4 contain the vulnerable version of Bash. However, HP is unaware of any method that would allow this vulnerability to be exploited on HP StoreOnce Backup systems but is providing an updated version of Bash Shell as a precaution. Revision 1 of this advisory.