Honeywell Application Control Environment Firmware vulnerabilities

3 CVEs affecting Honeywell Application Control Environment Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-38399, published 2022-10-28.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-38397, published 2022-10-28. Critical severity, CVSS 10.0. EPSS: 1% chance of exploitation in the next 30 days. 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…
• CVE-2021-38395, published 2022-10-28. Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days. 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…
• CVE-2021-38399, published 2022-10-28. High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days. 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.