CVE-2016-7959 Information

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

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.7