// For flags

CVE-2021-33719

 

Severity Score

9.8
*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 SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition or potential remote code execution.

Se ha identificado una vulnerabilidad en los relés SIPROTEC 5 con variantes de CPU CP050 (Todas las versiones anteriores a V8.80), relés SIPROTEC 5 con variantes de CPU CP100 (Todas las versiones anteriores a V8.80), relés SIPROTEC 5 con variantes de CPU CP300 (Todas las versiones anteriores a V8.80). Los paquetes especialmente diseñados enviados al puerto 4443/tcp podrían causar una condición de denegación de servicio o una potencial ejecución de código remota

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-28 CVE Reserved
  • 2021-09-14 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf 2021-12-16
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
 Siprotec 5 With Cpu Variant Cp050
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp050"
 < 8.80
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp050" and version " < 8.80"
-
Affected
Siemens
Search vendor "Siemens"
 Siprotec 5 With Cpu Variant Cp100
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp100"
 < 8.80
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp100" and version " < 8.80"
-
Affected
Siemens
Search vendor "Siemens"
 Siprotec 5 With Cpu Variant Cp300
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp300"
 < 8.80
Search vendor "Siemens" for product "Siprotec 5 With Cpu Variant Cp300" and version " < 8.80"
-
Affected