by Kastro
Paper/Archive/CVE-2021-38395

CVE-2021-38395

Honeywell Experion PKS — Honeywell Experion PKS and ACE Controllers Injection

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 67.0.670 × 2013.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Experion PKSC200–CNA
Experion PKSC200E–CNA
Experion PKSC300–CNA
Experion PKSACE controllers–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refcisa.gov/uscert/ics/advisories/icsa-21-278-04refhoneywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf