NetSight
IP …
medium6.5

CVE-2021-31882

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303).

Impact

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). The DHCP client application does not validate the length of the Domain Name Server IP option(s) (0x06) when processing DHCP ACK packets. This may lead to Denial-of-Service conditions. (FSMD-2021-0011)

Affected products

VendorProductAffected versions
SiemensCapital Vstar
All versions
SiemensNucleus Net
All versions
SiemensNucleus Readystart V3
before 2017.02.1
SiemensNucleus Source Code
All versions
SiemensApogee Modular Building Controller Firmware
All versions
SiemensApogee Modular Equiment Controller Firmware
All versions
SiemensApogee Pxc Compact Firmware
All versions
SiemensApogee Pxc Modular Firmware
All versions
SiemensTalon Tc Compact Firmware
All versions
SiemensTalon Tc Modular Firmware
All versions

Weakness classification

CWE-119

References