CVE record · CVE-2019-13939

Improper input validation in Siemens APOGEE MEC/MBC/PXC (P2) and others

CVSS 7.1 HighEPSS 0.0072 · 53rd percentile

Published by the CVE Program (CNA: siemens) at 16 Jan 2020, 15:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Siemens	APOGEE MEC/MBC/PXC (P2)	affected All versions < V2.8.2 Other versions: unknown
Siemens	APOGEE PXC Compact (BACnet)	affected before V3.5.3 custom Other versions: unknown
Siemens	APOGEE PXC Compact (P2 Ethernet)	affected V2.8.2 to before V2.8.19 custom Other versions: unknown
Siemens	APOGEE PXC Modular (BACnet)	affected before V3.5.3 custom Other versions: unknown
Siemens	APOGEE PXC Modular (P2 Ethernet)	affected V2.8.2 to before V2.8.19 custom Other versions: unknown
Siemens	Capital Embedded AR Classic 431-422	affected before * custom Other versions: unknown
Siemens	Capital Embedded AR Classic R20-11	affected before V2303 custom Other versions: unknown
Siemens	Desigo PXC00-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC00-U	affected All versions >= V2.3x and < V6.00.327 Other versions: unknown
Siemens	Desigo PXC001-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC100-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC12-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC128-U	affected All versions >= V2.3x and < V6.00.327 Other versions: unknown
Siemens	Desigo PXC200-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC22-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC22.1-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC36.1-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC50-E.D	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Desigo PXC64-U	affected All versions >= V2.3x and < V6.00.327 Other versions: unknown
Siemens	Desigo PXM20-E	affected V2.3 to before V6.0.327 custom Other versions: unknown
Siemens	Nucleus NET	affected before * custom Other versions: unknown
Siemens	Nucleus ReadyStart V3	affected before V2017.02.3 custom Other versions: unknown
Siemens	Nucleus Source Code	affected before * custom Other versions: unknown
Siemens	SIMOTICS CONNECT 400	affected All versions < V0.3.0.330 Other versions: unknown
Siemens	TALON TC Compact (BACnet)	affected before V3.5.3 custom Other versions: unknown
Siemens	TALON TC Modular (BACnet)	affected before V3.5.3 custom Other versions: unknown

Identifiers: CVE-2019-13939
CNA: siemens
Weakness (CWE): CWE-20
Tags: Siemens APOGEE MEC/MBC/PXC (P2)
Siemens APOGEE PXC Compact (BACnet)
Siemens APOGEE PXC Compact (P2 Ethernet)
Siemens APOGEE PXC Modular (BACnet)
Siemens APOGEE PXC Modular (P2 Ethernet)
Siemens Capital Embedded AR Classic 431-422
Siemens Capital Embedded AR Classic R20-11
Siemens Desigo PXC00-E.D
CWE-20
Published: 16 Jan 2020
Updated: 10 Jun 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.1	High	3.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H	CNA (siemens)
7.1	High	4.0	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N	CNA (siemens)Used for this record

CISA KEV Not listed.
EPSS 0.0072, the 53rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Jan 2020. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.