Vulnerability · Published Oct 28, 2022 · Assigned by icscert

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

Critical 10.0

In plain English

A critical-severity unrestricted file upload in Experion PKS from Honeywell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Honeywell Experion PKS C200C200EC300ACE controllers

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References