Vulnerability identifier: #VU57089

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38395

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Experion Process Knowledge System C200
Hardware solutions / Firmware
Experion Process Knowledge System C200E
Hardware solutions / Firmware
Experion Process Knowledge System C300 and ACE controllers
Hardware solutions / Firmware

Vendor: Honeywell International, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper neutralization of special elements in output. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Experion Process Knowledge System C200: All versions

Experion Process Knowledge System C200E: All versions

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-278-04
http://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C30...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.