// For flags

CVE-2016-3949

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.

CPU de dispositivos Siemens SIMATIC S7-300 con Profinet habilitada con firmware en versiones anteriores a 3.3.12 y CPU de dispositivos SIMATIC S7-300 con Profinet inhabilitada con firmware en versiones anteriores a 3.3.12 permiten atacantes remotos provocar una denegación de servicio (transición a modo por defecto) a través de paquetes (1) ISO-TSAP o (2) Profibus manipulados.

*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
  • 2016-04-05 CVE Reserved
  • 2016-06-27 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-399: Resource Management Errors
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
Simatic S7-300 With Profitnet Support Firmware
Search vendor "Siemens" for product "Simatic S7-300 With Profitnet Support Firmware"
3.2.11
Search vendor "Siemens" for product "Simatic S7-300 With Profitnet Support Firmware" and version "3.2.11"
-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 With Profitnet Support
Search vendor "Siemens" for product "Simatic S7-300 With Profitnet Support"
*-
Safe
Siemens
Search vendor "Siemens"
Simatic S7-300 Without Profitnet Support Firmware
Search vendor "Siemens" for product "Simatic S7-300 Without Profitnet Support Firmware"
3.3.11
Search vendor "Siemens" for product "Simatic S7-300 Without Profitnet Support Firmware" and version "3.3.11"
-
Affected
in Siemens
Search vendor "Siemens"
Simatic S7-300 Without Profitnet Support
Search vendor "Siemens" for product "Simatic S7-300 Without Profitnet Support"
*-
Safe