CVE-2016-7959

low-risk
Published 2016-10-13

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.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Simatic Step 7

Affected Vendors

Siemens

References (6)

Third Party Advisory http://www.securityfocus.com/bid/93551
Vendor Advisory http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03
Third Party Advisory http://www.securityfocus.com/bid/93551
Vendor Advisory http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03
17
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal