CVE-2002-1697

Electronic Code Book ECB mode in VTun 2.0 through 2.5 uses a weak encryption algorithm that produces the same ciphertext from the same plaintext blocks, which could allow remote attackers to gain sensitive information...

CVE-2002-1746

Vtun 2.5b1 allows remote attackers to inject data into user sessions by sniffing and replaying packets...