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CVE-2021-41545

Published: May 10, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-248
7.5HIGH
NVD MITRE
EPSS Score
0.9%
Top 43.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-248NVD-CWE-noinfo

Affected Products

Siemens AG
commercial·DEaka siemens
desigo dxr2 firmware
ICS / OT / IoT
desigo pxc3 firmware
ICS / OT / IoT
desigo pxc4 firmware
ICS / OT / IoT
desigo pxc5 firmware
ICS / OT / IoT
Desigo PXC5
ICS / OT / IoT
Desigo PXC4
ICS / OT / IoT
Desigo PXC3
ICS / OT / IoT
Desigo DXR2
ICS / OT / IoT
and 4 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-41545?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-132-10.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-22-132-10
cisa.gov
and 17 more references View all →

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