CVE-2020-27635: Capgemini Picotcp

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

In PicoTCP 1.7.0, TCP ISNs are improperly random.

Affected products

• Capgemini Picotcp: version 1.7.0 only

Published 2023-10-10. Last modified 2026-06-17.