Vulnerability in Siemens Apogee Modular Building Controller
CVE-2021-31344
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)
EPSS: 0.015 (71.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Siemens Apogee_modular_building_controller
- Siemens Apogee_modular_building_controller_firmware
- Siemens Apogee_modular_equiment_controller
- Siemens Apogee_modular_equiment_controller_firmware
- Siemens Apogee_pxc_compact
- Siemens Apogee_pxc_compact_firmware
- Siemens Apogee_pxc_modular
- Siemens Apogee_pxc_modular_firmware
- Siemens Capital Embedded Ar Classic 431-422 — versions 0
- Siemens Capital Embedded Ar Classic R20-11 — versions 0
Weakness classification (CWE)
References
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
- productcert@siemens.com
Frequently asked questions
- What is CVE-2021-31344?
- CVE-2021-31344 is a medium-severity vulnerability in Siemens Apogee Modular Building Controller, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 5.3/10. Published 2021-11-09.
- How severe is CVE-2021-31344?
- Medium severity. CVSS v3 base score is 5.3 out of 10.