CVE-2023-50821
Siemens · published 2024-04-09
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Siemens AG via the CVE Program.
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC04), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Update 8), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 1), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 16), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly validate the input provided in the login dialog box. An attacker could leverage this vulnerability to cause a persistent denial of service condition.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC PCS 7 V9.1 | 0 – before V9.1 SP2 UC04: affected |
| Siemens | SIMATIC WinCC Runtime Professional V17 | 0 – before V17 Update 8: affected |
| Siemens | SIMATIC WinCC Runtime Professional V18 | 0 – before V18 Update 4: affected |
| Siemens | SIMATIC WinCC Runtime Professional V19 | 0 – before V19 Update 1: affected |
| Siemens | SIMATIC WinCC V7.5 | 0 – before V7.5 SP2 Update 16: affected |
| Siemens | SIMATIC WinCC V8.0 | 0 – before V8.0 Update 5: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 6.9 MEDIUM — as published by Siemens AG (Secondary)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1: 6.2 MEDIUM — as published by Siemens AG (Secondary)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://cert-portal.siemens.com/productcert/html/ssa-730482.html
- https://cert-portal.siemens.com/productcert/html/ssa-730482.html
Source dates: published 2024-04-09, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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