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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 2.17% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- siemens/wincc flexible · siemens/wincc · siemens/simatic hmi panels · siemens/wincc runtime advanced · siemens/wincc flexible runtime
- Source
- cret@cert.org
References
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.