CVE-2021-41545

2022-05-1009:46:45

CWE-248

siemens

www.cve.org

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.6%

JSON

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.

CNA Affected

[
  {
    "product": "Desigo DXR2",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V01.21.142.5-22"
      }
    ]
  },
  {
    "product": "Desigo PXC3",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V01.21.142.4-18"
      }
    ]
  },
  {
    "product": "Desigo PXC4",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V02.20.142.10-10884"
      }
    ]
  },
  {
    "product": "Desigo PXC5",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V02.20.142.10-10884"
      }
    ]
  }
]

References

cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf