description: An issue was discovered in Stormshield Network Security (SNS) SNS 4.3.13 through 4.3.22 before 4.3.23, SNS 4.6.0 through 4.6.9 before 4.6.10, and SNS 4.7.0 through 4.7.1 before 4.7.2. An attacker can overflow the cookie threshold, making an IPsec connection impossible.