ICSA-22-286-12: Siemens APOGEE, TALON and Desigo PXC/PXM Products
CISA advisory · released 2022-10-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 4, 2025-05-13 (final)
CISA's summary
Summary: A denial of service vulnerability has been identified in the Nucleus RTOS (real-time operating system) and reported in the Siemens Security Advisory SSA-313313: https://cert-portal.siemens.com/productcert/html/ssa-313313.html. The products listed below use affected versions of the Nucleus software and inherently contain the vulnerability. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) | vers:all/* |
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) | vers:all/* |
| Siemens | APOGEE MEC (PPC) (BACnet) | vers:all/* |
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) | vers:all/* |
| Siemens | APOGEE PXC Compact (BACnet) | vers:all/<V3.5.7 |
| Siemens | APOGEE PXC Compact (P2 Ethernet) | vers:all/<V2.8.21 |
| Siemens | APOGEE PXC Modular (BACnet) | vers:all/<V3.5.7 |
| Siemens | APOGEE PXC Modular (P2 Ethernet) | vers:all/<V2.8.21 |
| Siemens | Desigo PXC00-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC00-U | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC001-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC12-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC22-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC22.1-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC36.1-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC50-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC64-U | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC100-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC128-U | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXC200-E.D | vers:all/>=V2.3|<V6.30.37 |
| Siemens | Desigo PXM20-E | vers:all/>=V2.3|<V6.30.37 |
| Siemens | TALON TC Compact (BACnet) | vers:all/<V3.5.7 |
| Siemens | TALON TC Modular (BACnet) | vers:all/<V3.5.7 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-38371 — CVE-2022-38371 · CWE-400
The FTP server does not properly release memory resources that were reserved for incomplete connection attempts by FTP clients. This could allow a remote attacker to generate a denial of service condition on devices that incorporate a vulnerable version of the FTP server.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
This product uses the NVD API but is not endorsed or certified by the NVD.
CVE records: Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.
CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CISA's Known Exploited Vulnerabilities catalog and CISA Vulnrichment data are CC0 1.0. CISA advisories are shown with the TLP label their document carries. No endorsement by CISA, DHS, NIST or MITRE is stated or implied.