What is CVE-2021-38399?

CVE-2021-38399 is a high-severity vulnerability in Honeywell Application_control_environment, classified under Relative Path Traversal. CVSS score: 7.5/10. Published 2022-10-28.

How severe is CVE-2021-38399?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Honeywell Application_control_environment

CVE-2021-38399

Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to relative path traversal, which may allow an attacker access to unauthorized files and directories.

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Honeywell Application_control_environment
Honeywell Application_control_environment_firmware
Honeywell C200
Honeywell C200e
Honeywell C200e_firmware
Honeywell C200_firmware
Honeywell C300
Honeywell C300_firmware
Honeywell Experion Pks — versions C200, C200E, C300

Weakness classification (CWE)

CWE-23 — Relative Path Traversal
CWE-22 — Path Traversal

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
ics-cert@hq.dhs.gov (Product)

Frequently asked questions

What is CVE-2021-38399?: CVE-2021-38399 is a high-severity vulnerability in Honeywell Application_control_environment, classified under Relative Path Traversal. CVSS score: 7.5/10. Published 2022-10-28.
How severe is CVE-2021-38399?: High severity. CVSS v3 base score is 7.5 out of 10.