Vulnerability Details : CVE-2011-4509
The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime has an improperly selected default password for the administrator account, which makes it easier for remote attackers to obtain access via a brute-force approach involving many HTTP requests.
Exploit prediction scoring system (EPSS) score for CVE-2011-4509
Probability of exploitation activity in the next 30 days: 0.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 69 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4509
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST |
CWE ids for CVE-2011-4509
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4509
-
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
Vendor Advisory
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http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
404 - File Not Found | CISAUS Government Resource
Products affected by CVE-2011-4509
- cpe:2.3:a:siemens:wincc_flexible:2004:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2005:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2007:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2008:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc:v11:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:op:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:tp:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mp:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_runtime_advanced:v11:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible_runtime:*:*:*:*:*:*:*:*