What is CVE-2021-38395?

CVE-2021-38395 is a critical-severity vulnerability in Honeywell Application_control_environment, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.1/10. Published 2022-10-28.

How severe is CVE-2021-38395?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Honeywell Application_control_environment

CVE-2021-38395

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.

EPSS: 0.009 (54.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

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

Frequently asked questions

What is CVE-2021-38395?: CVE-2021-38395 is a critical-severity vulnerability in Honeywell Application_control_environment, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.1/10. Published 2022-10-28.
How severe is CVE-2021-38395?: Critical severity. CVSS v3 base score is 9.1 out of 10.