CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
Percentile
64.5%
SIMATIC WinCC Open Architecture
Version: 3.12 and earlier
Link:
http://www.siemens.com/
Severity level: High
Impact: Privilege Gaining
Access Vector: Remote
CVSS v2:
Base Score: 7.5
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVE: CVE-2014-1696
SIMATIC WinCC Open Architecture is a SCADA system for visualizing and operating processes, production flows, machines and plants in all lines of business.
The specialists of the Positive Research center have detected an Using a weak hashing algorithm vulnerability in SIMATIC WinCC Open Architecture.
The SIMATIC WinCC OA server application has a weak hashing algorithm for project users’ credentials. Attackers might be able to escalate their privileges within the affected WinCC OA server application using a brute-force attack.
Update your software up to the latest version
29.05.2013 - Vendor gets vulnerability details
03.02.2014 - Vendor releases fixed version and details
14.02.2014 - Public disclosure
The vulnerability was detected by Gleb Gritsai and Ilya Karpov, Positive Research Center (Positive Technologies Company)
<http://en.securitylab.ru/lab/PT-2013-77>
<http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-342587.pdf>
<https://ics-cert.us-cert.gov/advisories/ICSA-14-035-01>
Reports on the vulnerabilities previously discovered by Positive Research:
<http://www.ptsecurity.com/research/advisory/>
<http://en.securitylab.ru/lab/>