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CVE-2021-41545 (GCVE-0-2021-41545)

Vulnerability from cvelistv5 – Published: 2022-05-10 09:46 – Updated: 2024-08-04 03:15
VLAI
Summary
A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). When the controller receives a specific BACnet protocol packet, an exception causes the BACnet communication function to go into a “out of work” state and could result in the controller going into a “factory reset” state.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Siemens Desigo DXR2 Affected: All versions < V01.21.142.5-22
guessed Create a notification for this product.
Siemens Desigo PXC3 Affected: All versions < V01.21.142.4-18
guessed Create a notification for this product.
Siemens Desigo PXC4 Affected: All versions < V02.20.142.10-10884
guessed Create a notification for this product.
Siemens Desigo PXC5 Affected: All versions < V02.20.142.10-10884
guessed Create a notification for this product.
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    "redhat_vex": {
      "current_release_date": "2026-03-27T13:29:32+00:00",
      "cve": "CVE-2021-41545",
      "id": "CVE-2021-41545",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-41545",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-41545.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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