CVE-2021-31883 Information

Jun 07, 2022 cve

Description

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 < V2.8.19) Capital VSTAR (All versions with enabled Ethernet options) Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC00-U (All versions >= V2.3 and < V6.30.016) Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC128-U (All versions >= V2.3 and < V6.30.016) Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016) Desigo PXC64-U (All versions >= V2.3 and < V6.30.016) Desigo PXM20-E (All versions >= 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)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5

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