Vulnerability Details : 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.
Products affected by CVE-2021-41545
- cpe:2.3:o:siemens:desigo_pxc5_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:desigo_pxc4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:desigo_pxc3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:desigo_dxr2_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41545
0.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41545
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-41545
-
An exception is thrown from a function, but it is not caught.Assigned by: productcert@siemens.com (Secondary)
References for CVE-2021-41545
-
https://cert-portal.siemens.com/productcert/pdf/ssa-662649.pdf
Vendor Advisory
Jump to