TI-2016-06689 Aliases CVE-2016-7959 GHSA-5crm-rrf8-p8c4

Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in…

LOW 21CWE-254Published 2016-10-13 · Updated 2024-08-06

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack.

Why it matters now

EPSS 0.00297 22nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:siemens:simatic_step_7::::::::	up to 13.010	Vulnerable	Siemens

cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:* Versions up to 13.010 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2016-7959
2026-10-03 Alias added: GHSA-5crm-rrf8-p8c4

References

Advisory 1

http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf

Other 1

https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03

TI-2023-11164 Code injection in Siemens SIMATIC PCS 7 CVSS 3.1CRITICAL 10.0
TI-2020-06109 Uncontrolled resource consumption in Siemens Opcenter Execution Discrete CVSS 3.1HIGH 8.2
TI-2021-18550 Improper access control in Siemens SIMATIC STEP 7 V15 CVSS 3.1HIGH 7.8
TI-2020-06108 Heap-based buffer overflow in Siemens SIMATIC PCS 7 V8.2 and earlier CVSS 3.1HIGH 7.8
TI-2020-06107 Uncontrolled search path in Siemens SIMATIC PCS 7 V8.2 and earlier CVSS 3.1HIGH 7.8
TI-2015-01433 Siemens SIMATIC STEP 7 (TIA Portal) 12 and 13 before 13 SP1 Upd1 allows man-in-the-middle… CVSS 2.0MEDIUM 6.8

See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences