Home/CVE/The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Au
CVE

CVE-2012-3037

The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Au

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.

MEDIUM · CVSS 4.3 EPSS 0.00432
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

9
siemens simatic s7-1200 firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1211c firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1212c firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1212fc firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1214 fc firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1214c firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1215 fc firmware>= 2.0.0 and < 3.0.0
siemens simatic s7-1200 cpu 1215c firmware>= 2.0.0 and < 3.0.0
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · ics-cert@hq.dhs.gov
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Published to NVD25 Sep 2012 · 11:07 AM
⚑

Vendor Advisories

2
siemens-csafSSA-240718
cisa-csafcisa-csaf-csaf_files-OT-white-2012-icsa-12-263-01
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://en.securitylab.ru/lab/PT-2012-48Third Party Advisory
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-240718.pdfBroken LinkVendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-263-01.pdfBroken LinkThird Party AdvisoryUS Government Resource
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