CVE-2021-31346

HIGH

Capital Embedded AR Classic - Information Leak and Denial-of-Service via ICMP Payload Length

Title source: llm
STIX 2.1

Description

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). The total length of an ICMP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0007)

References (10)

Core 10
Core References

Scores

CVSS v3 8.2
EPSS 0.0190
EPSS Percentile 77.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Details

CWE
CWE-1284
Status published
Products (11)
siemens/apogee_modular_building_controller_firmware
siemens/apogee_modular_equiment_controller_firmware
siemens/apogee_pxc_compact_firmware
siemens/apogee_pxc_modular_firmware
siemens/capital_vstar
siemens/nucleus_net
siemens/nucleus_readystart_v3 < 2017.02.1
siemens/nucleus_readystart_v4 < 4.1.1
siemens/nucleus_source_code
siemens/talon_tc_compact_firmware
... and 1 more
Published Nov 09, 2021
Tracked Since Feb 18, 2026