CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
Percentile
5.1%
SIMATIC WinCC
Version: 7.2 and earlier
SIMATIC PCS7
Version: 8.0 and earlier
Link:
http://www.siemens.com/
Severity level: Medium
Impact: Privilege Gaining
Access Vector: Local
CVSS v2:
Base Score: 4.6
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)
CVE: CVE-2014-4685
Siemens WinCC is a part of Siemens SIMATIC HMI software that aimed to provide connection between an operator and PLCs that manage technological processes.
The specialists of the Positive Research center have detected a Privilege Gaining vulnerability in SIMATIC WinCC.
Access permissions on system objects could allow a local user to obtain limited escalated privileges within the operating system.
Update your software up to the latest version
19.03.2014 - Vendor gets vulnerability details
23.07.2014 - Vendor releases fixed version and details
29.07.2014 - Public disclosure
The vulnerability was detected by Alexander Tlyapov, Positive Research Center (Positive Technologies Company)
<http://en.securitylab.ru/lab/PT-2014-15>
<http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-214365.pdf>
Reports on the vulnerabilities previously discovered by Positive Research:
<http://www.ptsecurity.com/research/advisory/>
<http://en.securitylab.ru/lab/>