SARA / Free Tools / CVE / CVE-2019-13939

CVE-2019-13939 — A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V

CVSS

7.1 HIGH

EPSS

0.34% (top 43.30%)

CWE

CWE-20

Published

2020-01-16T15:35:24.000Z

Last modified

2025-06-10T15:17:09.328Z

CVSS vector

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

01What is this vulnerability?

A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.3), APOGEE PXC Modular (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), Capital Embedded AR Classic 431-422 (All versions), Capital…

02Affected products

Vendor	Product	Versions
Siemens	APOGEE MEC/MBC/PXC (P2)	All versions < V2.8.2
Siemens	APOGEE PXC Compact (BACnet)	0
Siemens	APOGEE PXC Compact (P2 Ethernet)	V2.8.2
Siemens	APOGEE PXC Modular (BACnet)	0
Siemens	APOGEE PXC Modular (P2 Ethernet)	V2.8.2
Siemens	Capital Embedded AR Classic 431	422 — 0
Siemens	Capital Embedded AR Classic R20	11 — 0
Siemens	Desigo PXC00	E.D — V2.3
Siemens	Desigo PXC00	U — All versions >= V2.3x and < V6.00.327
Siemens	Desigo PXC001	E.D — V2.3
Siemens	Desigo PXC100	E.D — V2.3
Siemens	Desigo PXC12	E.D — V2.3
Siemens	Desigo PXC128	U — All versions >= V2.3x and < V6.00.327
Siemens	Desigo PXC200	E.D — V2.3
Siemens	Desigo PXC22	E.D — V2.3
Siemens	Desigo PXC22.1	E.D — V2.3
Siemens	Desigo PXC36.1	E.D — V2.3
Siemens	Desigo PXC50	E.D — V2.3
Siemens	Desigo PXC64	U — All versions >= V2.3x and < V6.00.327
Siemens	Desigo PXM20	E — V2.3
Siemens	Nucleus NET	0
Siemens	Nucleus ReadyStart V3	0
Siemens	Nucleus Source Code	0
Siemens	SIMOTICS CONNECT 400	All versions < V0.3.0.330
Siemens	TALON TC Compact (BACnet)	0
Siemens	TALON TC Modular (BACnet)	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2020-01-16T15:35:24.000Z
Last modified: 2025-06-10T15:17:09.328Z

09References

cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-434032.pdf
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf
us-cert.cisa.gov — https://us-cert.cisa.gov/ics/advisories/icsa-20-105-06
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-434032.html
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-162506.html

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