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CVE-2016-7959

Published: Oct 13, 2016Updated: May 6, 2026 Sources: CVE List NVD BDU csafCWE-254
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
0.3%
Top 78.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-254

Affected Products

n/an/a
simatic step 7siemensICS / OT / IoT
Siemens SIMATIC STEP 7 (TIA Portal)Siemens AGICS / OT / IoT
siemenscommercialDEEnterprise Softwareaka siemens ag
siemens agcommercialDEEnterprise Softwareaka siemens

Exploitability

Official Patch Available

References

https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03
ics-cert.us-cert.gov
http://www.securityfocus.com/bid/93551
securityfocus.com
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
siemens.com
and 12 more references View all →

Timeline

Published
Oct 13, 2016
Last Updated
May 6, 2026

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