What is CVE-2023-30897?

CVE-2023-30897 is a high-severity vulnerability in Siemens Simatic Wincc, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2023-06-13.

How severe is CVE-2023-30897?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Siemens Simatic Wincc

CVE-2023-30897

A vulnerability has been identified in SIMATIC WinCC (All versions < V7.5.2.13). Affected applications fail to set proper access rights for their installation folder if a non-default installation path was chosen during installation. This could allow an authenticated local attacker to inject arbitrary code and escalate privileges.

Published 2023-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (10.9th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Siemens Simatic Wincc — versions All versions < V7.5.2.13
Siemens Wincc

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cert-portal.siemens.com/productcert/pdf/ssa-914026.pdf (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-30897?: CVE-2023-30897 is a high-severity vulnerability in Siemens Simatic Wincc, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2023-06-13.
How severe is CVE-2023-30897?: High severity. CVSS v3 base score is 7.8 out of 10.