CVE-2016-9158
What it is
A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.1% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 3.1% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Siemens Simatic s7-300 Cpu Firmware
- Siemens Simatic s7-400 Cpu Firmware
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-9158.md and follow it. Check whether this project is affected by CVE-2016-9158. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://www.securityfocus.com/bid/94820
- http://www.securitytracker.com/id/1037434
- https://cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-731239.pdf
- http://www.securityfocus.com/bid/94820
- http://www.securitytracker.com/id/1037434
- https://cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-731239.pdf