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CVE-2023-22803· NVD / CVE Program· CNA icscert

LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication to perform critical functions to the PLC.

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.

HighCVSS 7.5 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Feb 15, 2023
Updated
Jun 17, 2026
EPSS
0.6% · 46th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.5
CNA · icscert
7.5
agree

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
ls-electricxbc-dn32u firmware
ls-electricxbc-dn32u

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ls-electric xbc-dn32u firmware01.80

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

  • LS Electric XBC-DN32U

    • Operating System Version 01.80affected

Same product

ls-electric: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-22807LS ELECTRIC XBC-DN32U with operating system version 01.80 does not properly control access to the PLC over its internal XGT protocol.
    39Monitor
  • CVE-2023-22804LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication to create users on the PLC.
    39Monitor
  • CVE-2023-0102LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication for its deletion command.
    36Monitor
  • CVE-2023-22806LS ELECTRIC XBC-DN32U with operating system version 01.80 transmits sensitive information in cleartext when communicating over its XGT proto
    30Monitor
  • CVE-2023-0103If an attacker were to access memory locations of LS ELECTRIC XBC-DN32U with operating system version 01.80 that are outside of the communic
    30Monitor
  • CVE-2023-22805LS ELECTRIC XBC-DN32U with operating system version 01.80 has improper access control to its read prohibition feature.
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

  • HeeA GoDankook University reported these vulnerabilitiesfinder

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-306 · Missing Authentication for Critical Function

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-primary

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

The bug in code

The whole CWE-306 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
// Added for the support teamapp.post("/maintenance/reset", resetDevice);

Fixed

ts
if (config.maintenanceEnabled) {  app.post(    "/maintenance/reset",    requireSession, requireRole("admin"), resetDevice  );}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records