// For flags

CVE-2021-38395

Honeywell Experion PKS and ACE Controllers Injection

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

Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to improper neutralization of special elements in output, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.

Los controladores Honeywell Experion PKS C200, C200E, C300 y ACE son vulnerables a una neutralización inadecuada de elementos especiales en la salida, lo que puede permitir a un atacante ejecutar código arbitrario de forma remota y provocar una condición de Denegación de Servicio.

*Credits: Rei Henigman and Nadav Erez of Claroty reported these vulnerabilities to CISA.
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
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-10 CVE Reserved
  • 2022-10-28 CVE Published
  • 2024-09-17 CVE Updated
  • 2024-09-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Honeywell
Search vendor "Honeywell"
C200 Firmware
Search vendor "Honeywell" for product "C200 Firmware"
--
Affected
in Honeywell
Search vendor "Honeywell"
C200
Search vendor "Honeywell" for product "C200"
--
Safe
Honeywell
Search vendor "Honeywell"
C200e Firmware
Search vendor "Honeywell" for product "C200e Firmware"
--
Affected
in Honeywell
Search vendor "Honeywell"
C200e
Search vendor "Honeywell" for product "C200e"
--
Safe
Honeywell
Search vendor "Honeywell"
C300 Firmware
Search vendor "Honeywell" for product "C300 Firmware"
--
Affected
in Honeywell
Search vendor "Honeywell"
C300
Search vendor "Honeywell" for product "C300"
--
Safe
Honeywell
Search vendor "Honeywell"
Application Control Environment Firmware
Search vendor "Honeywell" for product "Application Control Environment Firmware"
--
Affected
in Honeywell
Search vendor "Honeywell"
Application Control Environment
Search vendor "Honeywell" for product "Application Control Environment"
--
Safe