7.8

CVE-2019-18336

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Siemens ≫ Simatic S7-300 Cpu Firmware Version < 3.3.17
   Siemens ≫ Simatic S7-300 Cpu Version-
Siemens ≫ Sinumerik 840d Sl Version < 4.8.6
Siemens ≫ Sinumerik 840d Sl Version < 4.94
Siemens ≫ Simatic Tdc Cp51m1 Firmware Version < 1.1.8
   Siemens ≫ Simatic Tdc Cp51m1 Version-
Siemens ≫ Simatic Tdc Cpu555 Firmware Version < 1.1.1
   Siemens ≫ Simatic Tdc Cpu555 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.482
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 7.8 10 6.9
AV:N/AC:L/Au:N/C:N/I:N/A:C
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.