CVE-2016-7959

Severity: medium (CVSS 4.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-10-13 · updated 2026-06-17
Weakness: CWE-254

Description

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.

Affected products

Siemens SIMATIC STEP 7 (TIA Portal): through 13.010

References

http://www.securityfocus.com/bid/93551
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03
http://www.securityfocus.com/bid/93551
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03

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