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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-37186

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 ver

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Status
Published
Published
Updated
Assigning organization
siemens

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Siemens LOGO! CMR2020

  • All versions < V2.2affected

Siemens LOGO! CMR2040

  • All versions < V2.2affected

Siemens SIMATIC RTU3010C

  • All versions < V4.0.9affected

Siemens SIMATIC RTU3030C

  • All versions < V4.0.9affected

Siemens SIMATIC RTU3031C

  • All versions < V4.0.9affected

Siemens SIMATIC RTU3041C

  • All versions < V4.0.9affected

References