// For flags

CVE-2020-15783

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.

Se ha identificado una vulnerabilidad en la familia de CPUs SIMATIC S7-300 (incluidas las CPUs ET200 relacionadas y las variantes SIPLUS) (Todas las versiones), SIMATIC TDC CPU555 (Todas las versiones), SINUMERIK 840D sl (Todas las versiones). El envío de múltiples paquetes especialmente diseñados a los dispositivos afectados podría causar una denegación de servicio en el puerto 102. Se requiere un reinicio en frío para recuperar el servicio

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-07-15 CVE Reserved
  • 2020-11-12 CVE Published
  • 2023-07-29 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
Sinumerik 840d Sl Firmware
Search vendor "Siemens" for product "Sinumerik 840d Sl Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Sinumerik 840d Sl
Search vendor "Siemens" for product "Sinumerik 840d Sl"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 312 Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 312 Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 312
Search vendor "Siemens" for product "Simatic S7-300 Cpu 312"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 314 Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 314 Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 314
Search vendor "Siemens" for product "Simatic S7-300 Cpu 314"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315-2 Dp Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315-2 Dp Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315-2 Dp
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315-2 Dp"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315-2 Pn Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315-2 Pn Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315-2 Pn
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315-2 Pn"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317-2 Pn Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317-2 Pn Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317-2 Pn
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317-2 Pn"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317-2 Dp Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317-2 Dp Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317-2 Dp
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317-2 Dp"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315f-2 Dp Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315f-2 Dp Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315f-2 Dp
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315f-2 Dp"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315f-2 Pn Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315f-2 Pn Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 315f-2 Pn
Search vendor "Siemens" for product "Simatic S7-300 Cpu 315f-2 Pn"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317f-2 Pn Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317f-2 Pn Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317f-2 Pn
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317f-2 Pn"
--
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317f-2 Dp Firmware
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317f-2 Dp Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Cpu 317f-2 Dp
Search vendor "Siemens" for product "Simatic S7-300 Cpu 317f-2 Dp"
--
Safe
Siemens
Search vendor "Siemens"
Simatic Tdc Cpu555 Firmware
Search vendor "Siemens" for product "Simatic Tdc Cpu555 Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic Tdc Cpu555
Search vendor "Siemens" for product "Simatic Tdc Cpu555"
--
Safe