CVE-2022-38465
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200...
No known exploitation. EPSS puts it in the 12th 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
SINUMERIK ONE and SINUMERIK MC products are affected by a weak key protection vulnerability in the integrated S7-1500 CPU. The weak key protection vulnerability in the integrated S7-1500 CPU is documented in more detail in SSA-568427 [1]. Siemens has released updates for the affected products and recommends to update to the latest versions. [1] https://cert-portal.siemens.com/productcert/html/ssa-568427.html
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
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 12th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1353 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- SIMATIC Drive ControllerICS / OT / IoT
- SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)ICS / OT / IoT
- SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)ICS / OT / IoT
- SIMATIC S7-1200ICS / OT / IoT
- SIMATIC S7-1500 CPU familyICS / OT / IoT
- SIMATIC S7-1500 Software ControllerICS / OT / IoT
- SIMATIC S7-PLCSIM AdvancedICS / OT / IoT
- simatic et 200 sp open controller cpu 1515sp pc2 firmwareICS / OT / IoT
And 53 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Scored 9.3 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- cert-portal.siemens.com/productcert/html/ssa-568427.html
- cert-portal.siemens.com/productcert/csaf/ssa-568428.json
- cert-portal.siemens.com/productcert/txt/ssa-568428.txt
And 10 more references. See all after sign-in
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