CVE-2021-41545

Published on: Not Yet Published

Last Modified on: 05/20/2022 02:07:54 PM UTC

CVE-2021-41545

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

Certain versions of Desigo Dxr2 from Siemens contain the following vulnerability:

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.

CVE-2021-41545 has been assigned by productc[email protected] to track the vulnerability - currently rated as HIGH severity.
Affected Vendor/Software: Siemens - Desigo DXR2 version All versions < V01.21.142.5-22
Affected Vendor/Software: Siemens - Desigo PXC3 version All versions < V01.21.142.4-18
Affected Vendor/Software: Siemens - Desigo PXC4 version All versions < V02.20.142.10-10884
Affected Vendor/Software: Siemens - Desigo PXC5 version All versions < V02.20.142.10-10884

CVSS3 Score: 7.5 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	NONE	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	NONE	NONE	HIGH

CVSS2 Score: 5 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
NONE	NONE	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
	cert-portal.siemens.com application/pdf	MISC cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf

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Related QID Numbers

590968 Siemens Desigo PXC and DXR Devices (Update A) Multiple Vulnerabilities (ICSA-22-132-10) (ssa-662649) (ssa-626968)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Siemens	Desigo Dxr2	-	All	All	All
Operating System	Siemens	Desigo Dxr2 Firmware	All	All	All	All
Hardware	Siemens	Desigo Pxc3	-	All	All	All
Operating System	Siemens	Desigo Pxc3 Firmware	All	All	All	All
Hardware	Siemens	Desigo Pxc4	-	All	All	All
Operating System	Siemens	Desigo Pxc4 Firmware	All	All	All	All
Hardware	Siemens	Desigo Pxc5	-	All	All	All
Operating System	Siemens	Desigo Pxc5 Firmware	All	All	All	All

cpe:2.3:h:siemens:desigo_dxr2:-:*:*:*:*:*:*:*:
cpe:2.3:o:siemens:desigo_dxr2_firmware:*:*:*:*:*:*:*:*:
cpe:2.3:h:siemens:desigo_pxc3:-:*:*:*:*:*:*:*:
cpe:2.3:o:siemens:desigo_pxc3_firmware:*:*:*:*:*:*:*:*:
cpe:2.3:h:siemens:desigo_pxc4:-:*:*:*:*:*:*:*:
cpe:2.3:o:siemens:desigo_pxc4_firmware:*:*:*:*:*:*:*:*:
cpe:2.3:h:siemens:desigo_pxc5:-:*:*:*:*:*:*:*:
cpe:2.3:o:siemens:desigo_pxc5_firmware:*:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-41545 : A vulnerability has been identified in Desigo DXR2 All versions < V01.21.142.5-22 , Desigo PXC3… twitter.com/i/web/status/1…	2022-05-10 11:08:26
/r/netcve	CVE-2021-41545	2022-05-10 11:38:28