SARA / Free Tools / CVE / CVE-2022-38371

CVE-2022-38371 — A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions),

CVSS

8.7 HIGH

EPSS

0.79% (top 26.30%)

CWE

CWE-400

Published

2022-10-11T00:00:00.000Z

Last modified

2025-05-13T09:38:10.488Z

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

01What is this vulnerability?

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 < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC…

02Affected products

Vendor	Product	Versions
Siemens	APOGEE MBC (PPC) (BACnet)	All versions
Siemens	APOGEE MBC (PPC) (P2 Ethernet)	All versions
Siemens	APOGEE MEC (PPC) (BACnet)	All versions
Siemens	APOGEE MEC (PPC) (P2 Ethernet)	All versions
Siemens	APOGEE PXC Compact (BACnet)	0
Siemens	APOGEE PXC Compact (P2 Ethernet)	0
Siemens	APOGEE PXC Modular (BACnet)	0
Siemens	APOGEE PXC Modular (P2 Ethernet)	0
Siemens	Desigo PXC00	E.D — V2.3
Siemens	Desigo PXC00	U — V2.3
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 — V2.3
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 — V2.3
Siemens	Desigo PXM20	E — V2.3
Siemens	Nucleus NET for Nucleus PLUS V1	All versions < V5.2a
Siemens	Nucleus NET for Nucleus PLUS V2	All versions < V5.4
Siemens	Nucleus ReadyStart V3 V2012	All versions < V2012.08.1
Siemens	Nucleus ReadyStart V3 V2017	All versions < V2017.02.4
Siemens	Nucleus Source Code	0
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: 2022-10-11T00:00:00.000Z
Last modified: 2025-05-13T09:38:10.488Z

09References

cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-313313.pdf
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-935500.html
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-313313.html

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