CVE & CISA-KEV Catalog

CVE-2021-41545

HIGH
7.5
CVSS v3
NVD

Description

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.

CWE-248

How to fix

Remediation Available
desigo dxr2 firmwareNVD
Affected:< 01.21.142.5-22Fixed in:01.21.142.5-22CVE-2021-41545derived from NVD
desigo pxc3 firmwareNVD
Affected:< 01.21.142.4-18Fixed in:01.21.142.4-18CVE-2021-41545derived from NVD
desigo pxc4 firmwareNVD
Affected:< 02.20.142.10-10884Fixed in:02.20.142.10-10884CVE-2021-41545derived from NVD
desigo pxc5 firmwareNVD
Affected:< 02.20.142.10-10884Fixed in:02.20.142.10-10884CVE-2021-41545derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.85%probability of exploitation in 30 days
54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.