CVE-2012-3037
No known exploitation. EPSS puts it in the 73rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.5% chance of exploitation activity in the next 30 days, which ranks it in the 73rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 5021 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- SIMATIC S7-1200ICS / OT / IoT
- simatic s7-1200 firmwareICS / OT / IoT
- simatic s7-1200 cpu 1211c firmwareICS / OT / IoT
- simatic s7-1200 cpu 1212c firmwareICS / OT / IoT
- simatic s7-1200 cpu 1212fc firmwareICS / OT / IoT
- simatic s7-1200 cpu 1214 fc firmwareICS / OT / IoT
- simatic s7-1200 cpu 1214c firmwareICS / OT / IoT
- simatic s7-1200 cpu 1215 fc firmwareICS / OT / IoT
And 3 more affected products. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:M/Au:N/C:P/I:N/A:N
Scored 4.3 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity MediumSome conditions must be met
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality PartialSome information is disclosed
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- cisa.gov/news-events/bulletins/sb12-275&
- pentest-tools.com/vulnerabilities-exploits/siemens-simatic-s7-1200-ssl-private-key-reuse-spoofing-vulnerability-ssa-240718_8928
- siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-240718.pdf
And 12 more references. See all after sign-in
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for SIMATIC S7-1200, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI