CVE-2025-40796A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UM…
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It affects Siemens SIMATIC PCS neo V4.1 and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a out-of-bounds read vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- siemens
- NVD analysis
- Modified
- Record last updated
- Jun 9, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
Siemens SIMATIC PCS neo V4.1 siemens:simatic_pcs_neo_v4.1 (from the name) | all versions | CNA record |
Siemens SIMATIC PCS neo V5.0 siemens:simatic_pcs_neo_v5.0 (from the name) | all versions | CNA record |
Siemens SIMATIC PCS neo V6.0 siemens:simatic_pcs_neo_v6.0 (from the name) | before V6.0 SP1 Update 1 | CNA record |
Siemens User Management Component (UMC) siemens:user_management_component_umc (from the name) | before V2.15.1.3 | CNA record |
siemens simatic_pcs_neo siemens:simatic_pcs_neo | 4.1; 5.0 | NVD |
siemens user_management_component siemens:user_management_component | before 2.15.1.3 | NVD |
References
- https://cert-portal.siemens.com/productcert/html/ssa-722410.htmlvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.