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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: siemens
Published: 2021-09-14T10:47:49
Updated: 2024-08-04T01:16:03.873Z
Reserved: 2021-07-21T00:00:00
Link: CVE-2021-37186
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-09-14T11:15:25.850
Modified: 2024-11-21T06:14:49.183
Link: CVE-2021-37186
Redhat
No data.