What is CVE-2016-5744?

CVE-2016-5744 is a high-severity vulnerability in Siemens Simatic Wincc, classified under Information Disclosure. CVSS score: 7.5/10. Published 2016-07-22.

How severe is CVE-2016-5744?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Siemens Simatic Wincc

CVE-2016-5744

Siemens SIMATIC WinCC 7.0 through SP3 and 7.2 allows remote attackers to read arbitrary WinCC station files via crafted packets.

Vulnerability class: Information Disclosure

Published 2016-07-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.044 (91.2th percentile), scored 2026-10-21.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.044 · change: +0.006

Affected products

Siemens Simatic Wincc — versions 7.0, 7.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/92116 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1036441 (VDB Entry, Third Party Advisory, vdb-entry)
ics-cert.us-cert.gov/advisories/ICSA-16-208-01
www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-378531.pdf (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2016-5744?: CVE-2016-5744 is a high-severity vulnerability in Siemens Simatic Wincc, classified under Information Disclosure. CVSS score: 7.5/10. Published 2016-07-22.
How severe is CVE-2016-5744?: High severity. CVSS v3 base score is 7.5 out of 10.