CVE-2011-4509: siemens simatic_hmi_panels
Vulnerability summary
CVE-2011-4509 is a high (CVSS 10.0) vulnerability in siemens simatic_hmi_panels. EPSS estimates a 1.98% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities.
Timeline
- 03-02-2012PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.98%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
-0.02 pp
From 1.99% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens4 products
- simatic_hmi_panelscomfort_panels | mobile_panels | mp | op | tp
- winccv11
- wincc_flexible2004 | 2005 | 2007 | 2008
- wincc_runtime_advancedv11
1 vendor · 4 products