CVE-2021-41545
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
38.4%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| siemens | desigo_dxr2_firmware | * | cpe:2.3:o:siemens:desigo_dxr2_firmware:*:*:*:*:*:*:*:* |
| siemens | desigo_dxr2 | - | cpe:2.3:h:siemens:desigo_dxr2:-:*:*:*:*:*:*:* |
| siemens | desigo_pxc3_firmware | * | cpe:2.3:o:siemens:desigo_pxc3_firmware:*:*:*:*:*:*:*:* |
| siemens | desigo_pxc3 | - | cpe:2.3:h:siemens:desigo_pxc3:-:*:*:*:*:*:*:* |
| siemens | desigo_pxc4_firmware | * | cpe:2.3:o:siemens:desigo_pxc4_firmware:*:*:*:*:*:*:*:* |
| siemens | desigo_pxc4 | - | cpe:2.3:h:siemens:desigo_pxc4:-:*:*:*:*:*:*:* |
| siemens | desigo_pxc5_firmware | * | cpe:2.3:o:siemens:desigo_pxc5_firmware:*:*:*:*:*:*:*:* |
| siemens | desigo_pxc5 | - | cpe:2.3:h:siemens:desigo_pxc5:-:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
38.4%