CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.4. See the original NVD description below for full technical details.
CVE
CVE-2021-37186
Severity
MEDIUM
CVSS
5.4
EPSS
0.36%
Original NVD Description
A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU3010C (All versions < V4.0.9), SIMATIC RTU3030C (All versions < V4.0.9), SIMATIC RTU3031C (All versions < V4.0.9), SIMATIC RTU3041C (All versions < V4.0.9). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information.
Related CVEs
Other vulnerabilities affecting the same vendor(s)