CVE•Published 2026-06-09•Modified 2026-07-23•0 articles on news•4 live references•NVD data

CVE-2026-24349Siemens · Simatic_wincc_unified_pc_runtime

Vulnerability data via NVD (ingested)

CVSS v3.1

7.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS percentile

Exploit Prediction Scoring System · top 100% of all CVEs

Weaknesses (CWE)

CWE-313Cleartext Storage in a File or on Disk

Description

A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.

Timeline

Published 2026-06-09

Modified 2026-07-23

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-24349

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Siemens Simatic Wincc Unified Pc Runtime"

All exposed Siemens Simatic Wincc Unified Pc Runtime instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Simatic Wincc Unified Pc Runtime"

HTTP body or banner mentions "Simatic Wincc Unified Pc Runtime" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-24349