Vulnerability in Siemens Simatic S7-1200
CVE-2012-3037
The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Authority certificate, which allows remote attackers to spoof the S7-1200 web server by using this key to create a forged certificate.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Siemens Simatic S7-1200
- Siemens Simatic S7-1200 CPU 1211c
- Siemens Simatic S7-1200 CPU 1211c Firmware
- Siemens Simatic S7-1200 CPU 1212c
- Siemens Simatic S7-1200 CPU 1212c Firmware
- Siemens Simatic S7-1200 CPU 1212fc
- Siemens Simatic S7-1200 CPU 1212fc Firmware
- Siemens Simatic S7-1200 CPU 1214c
- Siemens Simatic S7-1200 CPU 1214c Firmware
- Siemens Simatic S7-1200 CPU 1214 Fc
Weakness classification (CWE)
References
- www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_… (Broken Link, Vendor Advisory)
- www.us-cert.gov/control_systems/pdf/ICSA-12-263-01.pdf (US Government Resource, Third Party Advisory, Broken Link)
- en.securitylab.ru/lab/PT-2012-48 (Third Party Advisory)