cve-2021-37186
Vulnerability from cvelistv5
Published
2021-09-14 10:47
Modified
2024-08-04 01:16
Severity ?
Summary
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
productcert@siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-316383.pdfPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-316383.pdfPatch, Vendor Advisory
Impacted products
Vendor Product Version
Siemens LOGO! CMR2040 Version: All versions < V2.2
Siemens SIMATIC RTU3010C Version: All versions < V4.0.9
Siemens SIMATIC RTU3030C Version: All versions < V4.0.9
Siemens SIMATIC RTU3031C Version: All versions < V4.0.9
Siemens SIMATIC RTU3041C Version: All versions < V4.0.9
Show details on NVD website

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      "id": "CVE-2021-37186",
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  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.