This indicates an attempt to exploit a path-traversal vulnerability in BrightStor ARCServe Backup.
The vulnerability is caused by a parameter-check error in the caloggerd daemon. It allows a remote attacker to add arbitrary content to the victim's system by sending a special parameter.
CA BrightStor ARCServe Backup 11.0
CA BrightStor ARCServe Backup 11.1
CA BrightStor ARCServe Backup 11.5
System compromise: remote code execution.
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