Vulnerability in Siemens Desigo Dxr2
CVE-2021-41545
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Siemens Desigo Dxr2 — versions All versions < V01.21.142.5-22
- Siemens Desigo Dxr2
- Siemens Desigo Dxr2 Firmware
- Siemens Desigo Pxc3 — versions All versions < V01.21.142.4-18
- Siemens Desigo Pxc3
- Siemens Desigo Pxc3 Firmware
- Siemens Desigo Pxc4 — versions All versions < V02.20.142.10-10884
- Siemens Desigo Pxc4
- Siemens Desigo Pxc4 Firmware
- Siemens Desigo Pxc5 — versions All versions < V02.20.142.10-10884
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41545?
- CVE-2021-41545 is a high-severity vulnerability in Siemens Desigo Dxr2, classified under CWE-248. CVSS score: 7.5/10. Published 2022-05-10.
- How severe is CVE-2021-41545?
- High severity. CVSS v3 base score is 7.5 out of 10.