ICSA-24-256-03: Siemens User Management Component (UMC)
CISA advisory · released 2024-09-10
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 7, 2025-10-14 (final)
CISA's summary
Summary: Siemens User Management Component (UMC) is affected by a heap-based buffer overflow vulnerability which could allow an unauthenticated remote attacker arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | Opcenter Quality | vers:intdot/<2406 |
| Siemens | Opcenter RDnL | vers:intdot/<2410 |
| Siemens | SIMATIC PCS neo V4.0 | vers:all/* |
| Siemens | SIMATIC PCS neo V4.1 | <V4.1_Update_2 |
| Siemens | SIMATIC PCS neo V5.0 | <V5.0_Update_1 |
| Siemens | SINEC NMS | vers:all/* |
| Siemens | SINEMA Remote Connect Client | <V3.2_SP3 |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V16 | vers:all/* |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V17 | <V17_Update_8 |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V18 | <V18_Update_5 |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V19 | <V19_Update_3 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2024-33698 — CVE-2024-33698 · CWE-122
Affected products contain a heap-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code.
Acknowledgments, as the advisory lists them
- Tenable: reporting this vulnerability to Siemens.
- 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.
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