CVE-2017-12741
What it is
Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- 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: 3.3% in the next 30 days (EPSS).
- Severity: 8.7 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 3.3% · EPSS, next 30 days
- Weakness
- CWE-400 · Uncontrolled resource consumption
- Record status
- Modified
Affected
- Siemens Simatic s7-200 Firmware < 2.03.01
- Siemens Simatic s7-400pn v6 Firmware < 6.0.6
- Siemens Simatic s7-400h v6 Firmware < 6.0.8
- Siemens Simatic s7-400pn\/dp v7 Firmware
- Siemens Simatic s7-410 v8 Firmware
- Siemens Simatic s7-300 Firmware
- Siemens Simatic s7-1200 Firmware
- Siemens Simatic s7-1500 Firmware < 2.0
Attack profile CVSS 4.0 · 8.7
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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-2017-12741.md and follow it. Check whether this project is affected by CVE-2017-12741. 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
- https://cert-portal.siemens.com/productcert/html/ssa-141614.html
- https://cert-portal.siemens.com/productcert/html/ssa-346262.html
- https://cert-portal.siemens.com/productcert/html/ssa-546832.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf
- https://www.securityfocus.com/bid/101964
- https://cert-portal.siemens.com/productcert/html/ssa-141614.html
- https://cert-portal.siemens.com/productcert/html/ssa-346262.html
- https://cert-portal.siemens.com/productcert/html/ssa-546832.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf
- https://www.securityfocus.com/bid/101964