Blue Coat Security Gateway OS (SGOS) 3.x releases suffer from a private key disclosure vulnerability where the key and passphrase are stored in clear text when being imported via the web-based management console.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/33367/advisory_private_key_compromise.html
Source: https://packetstormsecurity.com/files/33367/advisory_private_key_compromise.html.html