CVE-2012-4358: Sielcosistemi Winlog Lite

High severity, CVSS 9.3. EPSS: 2.5% chance of exploitation in the next 30 days.

Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return value of the realloc function, which allows remote attackers to cause a denial of service (invalid 0x00 write operation and daemon crash) or possibly have unspecified other impact via a port-46824 TCP packet with a crafted positive integer after the opcode.

Affected products

• Sielcosistemi Winlog Lite: up to and including 2.07.16; version 2.06.00 only; version 2.06.03 only; version 2.06.04 only; version 2.06.06 only; version 2.06.09 only; …
• Sielcosistemi Winlog Pro: up to and including 2.07.16; version 2.06.00 only; version 2.06.03 only; version 2.06.04 only; version 2.06.06 only; version 2.06.09 only; …

Published 2012-08-19. Last modified 2026-06-16.