Vulnerabilities (CVE)

Filtered by vendor Schneider-electric Subscribe
Filtered by product Modicon M251
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2017-6030 1 Schneider-electric 6 Modicon M221, Modicon M221 Firmware, Modicon M241 and 3 more 2022-02-03 6.4 MEDIUM 6.5 MEDIUM
A Predictable Value Range from Previous Values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.