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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-23760 | 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. |
References
History
No history.
Subscriptions
Siemens
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Logo\! Cmr2020
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Logo\! Cmr2020 Firmware
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Logo\! Cmr2040
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Logo\! Cmr2040 Firmware
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Simatic Rtu3010c
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Simatic Rtu3010c Firmware
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Simatic Rtu3030c
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Simatic Rtu3030c Firmware
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Simatic Rtu3031c
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Simatic Rtu3031c Firmware
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Simatic Rtu3041c
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Simatic Rtu3041c Firmware
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Status: PUBLISHED
Assigner: siemens
Published:
Updated: 2024-08-04T01:16:03.873Z
Reserved: 2021-07-21T00:00:00.000Z
Link: CVE-2021-37186
No data.
Status : Modified
Published: 2021-09-14T11:15:25.850
Modified: 2024-11-21T06:14:49.183
Link: CVE-2021-37186
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD