|The encryption implementation in Juniper ScreenOS 6.2.0r15 through
6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b,
6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before
6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b,
6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 makes it
easier for remote attackers to discover the plaintext content of VPN
sessions by sniffing the network for ciphertext data and conducting an
unspecified decryption attack.