Vulnerability · Published Apr 9, 2024 · Assigned by siemens
CVE-2023-50821
Medium 6.2
In plain English
A medium-severity buffer overflow in SIMATIC PCS 7 V9.1 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC PCS 7 V9.1 | 0 – before V9.1 SP2 UC04 |
| Siemens | SIMATIC WinCC Runtime Professional V17 | 0 – before V17 Update 8 |
| Siemens | SIMATIC WinCC Runtime Professional V18 | 0 – before V18 Update 4 |
| Siemens | SIMATIC WinCC Runtime Professional V19 | 0 – before V19 Update 1 |
| Siemens | SIMATIC WinCC V7.5 | 0 – before V7.5 SP2 Update 16 |
| Siemens | SIMATIC WinCC V8.0 | 0 – before V8.0 Update 5 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C