CVE-2021-31883

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). When processing a DHCP ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)

Link	Resource
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-620288.pdf

Configuration 1

cpe:2.3:a:siemens:nucleus_source_code:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:capital_vstar:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*

---

Published : 2021-11-09 12:15

Updated : 2022-05-20 01:15

---

NVD link : CVE-2021-31883

Mitre link : CVE-2021-31883

Apogee Modular Equiment Controller Firmware

Siemens

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer