CVE-2023-22807

published 2023-02-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26919

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

LS ELECTRIC XBC-DN32U with operating system version 01.80 does not properly control access to the PLC over its internal XGT protocol. An attacker could control and tamper with the PLC by sending the packets to the PLC over its XGT protocol.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-040-02 updated 2023-02-09 cvss 9.8

LS ELECTRIC XBC-DN32U

LS ELECTRIC, LS Industrial Systems (LSIS) Co. Ltd- XBC-DN32U 1.8
affected: mitigation “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.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 21 mo ago (2025-01-16)

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

LS Electric XBC-DN32U

Classification

Weakness

CWE-284 Improper Access Control

References

cisa.gov /uscert/ics/advisories/icsa-23-040-02
third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-22807
NVD CVE-2023-22807

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Summary