Buffer overflow in Siemens Simatic Pcs 7 V9.1

CVE-2023-50821

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 W…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (16.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). 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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-50821?
CVE-2023-50821 is a medium-severity vulnerability in Siemens Simatic Pcs 7 V9.1, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2024-04-09.
How severe is CVE-2023-50821?
Medium severity. CVSS v3 base score is 6.2 out of 10.
Is CVE-2023-50821 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.