CVE-2022-30317

Description

Honeywell Experion LX through 2022-05-06 has Missing Authentication for a Critical Function. According to FSCT-2022-0055, there is a Honeywell Experion LX Control Data Access (CDA) EpicMo protocol with unauthenticated functionality issue. The affected components are characterized as: Honeywell Control Data Access (CDA) EpicMo (55565/TCP). The potential impact is: Firmware manipulation, Denial of service. The Honeywell Experion LX Distributed Control System (DCS) utilizes the Control Data Access (CDA) EpicMo protocol (55565/TCP) for device diagnostics and maintenance purposes. This protocol does not have any authentication features, allowing any attacker capable of communicating with the ports in question to invoke (a subset of) desired functionality. There is no authentication functionality on the protocol in question. An attacker capable of invoking the protocols' functionalities could issue firmware download commands potentially allowing for firmware manipulation and reboot devices causing denial of service.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory cisa.gov
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.forescout.com/blog/ not applicable
https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-07 mitigation third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2022-30317?
CVE-2022-30317 has been scored as a critical severity vulnerability.
How to fix CVE-2022-30317?
To fix CVE-2022-30317, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-30317 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-30317 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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