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.
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| siemens | logo\!_cmr2020_firmware | 2.2 | - |
| siemens | logo\!_cmr2040_firmware | 2.2 | - |
| siemens | simatic_rtu3010c_firmware |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6
Affected Products
2
References
siemens / logo\!_cmr2020_firmware
| 4.0.9 |
| - |
| siemens | simatic_rtu3030c_firmware | 4.0.9 | - |
| siemens | simatic_rtu3031c_firmware | 4.0.9 | - |
| siemens | simatic_rtu3041c_firmware | 4.0.9 | - |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability
Impact