CVE-2023-22803

CVE-2023-22803

Description

LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication to perform critical functions to the PLC. This could allow an attacker to change the PLC's mode arbitrarily.

Remediation

Workaround:

  • LS ELECTRIC is developing mitigations (to be released tentatively by the end of 2023) and recommends users follow the provided workarounds to reduce the risk of exploitation: * Restrict communication to the PLC to only trusted IP addresses and trusted devices by enabling the “Host Table” option in the configuration window of the PLC.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory cisa.gov
Affected: LS Electric XBC-DN32U
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-23-040-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2023-22803?
CVE-2023-22803 has been scored as a high severity vulnerability.
How to fix CVE-2023-22803?
As a workaround for remediating CVE-2023-22803: LS ELECTRIC is developing mitigations (to be released tentatively by the end of 2023) and recommends users follow the provided workarounds to reduce the risk of exploitation: * Restrict communication to the PLC to only trusted IP addresses and trusted devices by enabling the “Host Table” option in the configuration window of the PLC.
Is CVE-2023-22803 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-22803 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.
What software or system is affected by CVE-2023-22803?
CVE-2023-22803 affects LS Electric XBC-DN32U.
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