CVE-2001-1184: Denicomp WinSock Rshd Nt

Medium severity, CVSS 5.0. EPSS: 3.5% chance of exploitation in the next 30 days.

wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024.

Affected products

• Denicomp WinSock Rshd Nt: version 2.20 only; version 2.21 only

Published 2001-12-08. Last modified 2026-10-09.