CVE-2019-13939 Detail

Current Description

A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Series (BACnet) (All versions >= V3.0), APOGEE PXC Series (P2) (All versions >= V2.8.2), Desigo PXC (Power PC) (All versions >= V2.3x and < V6.00.327), Desigo PXM20 (Power PC) (All versions >= V2.3x and < V6.00.327), Nucleus NET (All versions), Nucleus RTOS (All versions), Nucleus ReadyStart for ARM, MIPS, and PPC (All versions < V2017.02.2 with patch "Nucleus 2017.02.02 Nucleus NET Patch"), Nucleus SafetyCert (All versions), Nucleus Source Code (All versions), SIMOTICS CONNECT 400 (All versions <= V0.3.0.95), TALON TC Series (BACnet) (All versions >= V3.0), VSTAR (All versions). By sending specially crafted DHCP packets to a device where the DHCP client is enabled, an attacker could change the IP address of the device to an invalid value. The vulnerability could affect availability and integrity of the device. Adjacent network access is required, but no authentication and no user interaction is needed to conduct an attack.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.1 HIGH
Vector:  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf Vendor Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdf Vendor Advisory 
https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  
CWE-840 Business Logic Errors Contributor acceptance level Siemens AG  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-13939
NVD Published Date:
01/16/2020
NVD Last Modified:
01/13/2021
Source:
Siemens AG