Vulnerabilities > CVE-2021-31345 - Improper Validation of Specified Quantity in Input vulnerability in Siemens products

CVSS 9.1 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

siemens

CWE-1284

critical

NVD

Published: 2021-11-09

Updated: 2024-10-08

Summary

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). The total length of an UDP 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 a user-defined applications that runs on top of the UDP protocol. (FSMD-2021-0006)

Vulnerable Configurations

Part	Description	Count
Application	Siemens Siemens Nucleus Source Code * Siemens Nucleus NET * Siemens Capital Vstar * Siemens Nucleus Readystart V3 2013.08	4
OS	Siemens Siemens Apogee Modular Building Controller Firmware * Siemens Apogee Modular Equiment Controller Firmware * Siemens Apogee PXC Compact Firmware * Siemens Apogee PXC Modular Firmware * Siemens Talon TC Compact Firmware * Siemens Talon TC Modular Firmware *	6
Hardware	Siemens Siemens Apogee Modular Building Controller - Siemens Apogee Modular Equiment Controller - Siemens Apogee PXC Compact - Siemens Apogee PXC Modular - Siemens Talon TC Compact - Siemens Talon TC Modular -	6

Common Weakness Enumeration (CWE)

CWE-1284 - Improper Validation of Specified Quantity in Input

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References