7.5

CVE-2021-37172

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against configured passwords when provisioned using TIA Portal V13. This could allow an attacker using TIA Portal V13 or later versions to bypass authentication and download arbitrary programs to the PLC. The vulnerability does not occur when TIA Portal V13 SP1 or any later version was used to provision the device.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Siemens ≫ Simatic S7-1200 Cpu Firmware Version 4.5.0
   Siemens ≫ Cpu 1211c Version -
   Siemens ≫ Cpu 1212c Version -
   Siemens ≫ Cpu 1212fc Version -
   Siemens ≫ Cpu 1214c Version -
   Siemens ≫ Cpu 1214fc Version -
   Siemens ≫ Cpu 1215c Version -
   Siemens ≫ Cpu 1215fc Version -
   Siemens ≫ Cpu 1217c Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.92% 0.556
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

https://cert-portal.siemens.com/productcert/pdf/ssa-830194.pdf
Patch
Vendor Advisory