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 CPE's
References
https://cert-portal.siemens.com/productcert/pdf/ssa-316383.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-316383.pdf
CVSS impact metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
5.4 · Medium
Information
Source identifier
Vulnerability status
Modified
Published
2021-09-14T09:15:25.850Z
4 years agoLast modified
2024-11-21T05:14:49.183Z
1 year ago