Unspecified vulnerability in HP Tru64 UNIX 5.1B PK2(BL22) and PK3(BL24), and 5.1A PK6(BL24), when using IPsec/IKE (Internet Key Exchange) with Certificates, allows remote attackers to gain privileges via unknown attack vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15397
http://www.securityfocus.com/bid/9803
http://securitytracker.com/id?1009329
http://archives.neohapsis.com/archives/tru64/2004-q1/0004.html