// For flags

CVE-2022-27640

 

Severity Score

6.5
*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 CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.

Se ha identificado una vulnerabilidad en SIMATIC CP 442-1 RNA (Todas las versiones anteriores a V1.5.18), SIMATIC CP 443-1 RNA (Todas las versiones anteriores a V1.5.18). Los dispositivos afectados manejan inapropiadamente el exceso de peticiones de difusión ARP. Esto podría permitir a un atacante crear una condición de denegación de servicio llevando a cabo ataques de difusión ARP, que pueden causar el reinicio del dispositivo

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
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
  • 2022-03-22 CVE Reserved
  • 2022-05-10 CVE Published
  • 2023-12-01 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdf 2022-06-01
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"
 Simatic Cp 442-1 Rna Firmware
Search vendor "Siemens" for product "Simatic Cp 442-1 Rna Firmware"
 < 1.5.18
Search vendor "Siemens" for product "Simatic Cp 442-1 Rna Firmware" and version " < 1.5.18"
-
Affected
in Siemens
Search vendor "Siemens"
 Simatic Cp 442-1 Rna
Search vendor "Siemens" for product "Simatic Cp 442-1 Rna"
--
Safe
Siemens
Search vendor "Siemens"
 Simatic Cp 443-1 Rna Firmware
Search vendor "Siemens" for product "Simatic Cp 443-1 Rna Firmware"
 < 1.5.18
Search vendor "Siemens" for product "Simatic Cp 443-1 Rna Firmware" and version " < 1.5.18"
-
Affected
in Siemens
Search vendor "Siemens"
 Simatic Cp 443-1 Rna
Search vendor "Siemens" for product "Simatic Cp 443-1 Rna"
--
Safe