Path Traversal in Siemens Simatic Hmi Panels
CVE-2011-4876
Directory traversal vulnerability in HmiLoad in the runtime loader 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, when Transfer Mode is enabled, allows remote attackers to execute, read, create, modify, or delete arbitrary files via a .. (dot dot) in a string.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.090 (95.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.090 · change: -0.008
Affected products
- Siemens Simatic Hmi Panels — versions comfort_panels, mobile_panels, mp
- Siemens Wincc — versions v11
- Siemens Wincc Flexible — versions 2004, 2005, 2007
- Siemens Wincc Flexible Runtime
- Siemens Wincc Runtime Advanced — versions v11
Weakness classification (CWE)
References
- secunia.com/advisories/46997 (third-party-advisory)
- www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
- www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
- www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_… (Vendor Advisory)
- www.exploit-db.com/exploits/18166 (exploit)
- aluigi.org/adv/winccflex_1-adv.txt
- exchange.xforce.ibmcloud.com/vulnerabilities/71450 (vdb-entry)
- www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf (US Government Resource)
- www.osvdb.org/77381 (vdb-entry)