CVE-2021-31344
moderate-risk
Published 2021-11-09
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). ICMP echo packets with fake IP options allow sending ICMP echo reply messages to arbitrary hosts on the network. (FSMD-2021-0004)
Do I need to act?
-
0.91% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10
Medium
NETWORK
/ LOW complexity
Affected Products (11)
Capital Vstar
Nucleus Readystart V4
Apogee Modular Building Controller Firmware
Apogee Modular Equiment Controller Firmware
Apogee Pxc Compact Firmware
Apogee Pxc Modular Firmware
Talon Tc Compact Firmware
Talon Tc Modular Firmware
Affected Vendors
References (15)
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf
40
/ 100
moderate-risk
Severity
21/34 · High
Exploitability
3/34 · Minimal
Exposure
16/34 · Moderate