Auth bypass in Ls Electric Xbc-Dn32u

CVE-2023-22804

LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication to create users on the PLC. This could allow an attacker to create and use an account with elevated privileges and take control of the device.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-22804: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-22804?
CVE-2023-22804 is a critical-severity vulnerability in Ls Electric Xbc-Dn32u, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2023-02-15.
How severe is CVE-2023-22804?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2023-22804 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.