CVE-2005-3945

CVE-2005-3945 describes a denial-of-service vulnerability in Microsoft Windows 2000 (before SP4 with Update Roll-up) and Windows 2003 (before SP1) related to the SynAttackProtect feature. Attackers can exploit this by sending a flood of SYN packets with predictable data, causing identical hash values that slow down hash table lookups and lead to high CPU consumption. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable remotely without authentication, resulting in a complete denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a prevalent threat.