CVE-2021-38397 CRITICAL

CVE-2021-38397: Honeywell Experion PKS and ACE Controllers Unrestricted Upload of File with Dangerous Type

Vendor Honeywell
Product Experion PKS
Weakness CWE-434 · Unrestricted file upload
Published October 28, 2022
Last update April 16, 2025
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to unrestricted file uploads, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.

Key dates

02Disclosure timeline

October 28, 2022 CVE published
April 16, 2025 Record updated