CVE-2023-5326

Adjacent-network unauthorized printer setting changes

Published Oct 1, 2023 · Updated Sep 20, 2024

Improper authentication in WebConfig on SATO CL4NX-J Plus 1.13.2-u455_r2 allows remote attackers to change printer settings. Public records do not disclose which WebConfig request bypasses the manager login or how its authentication check fails. Access to the printer's local network is required, and unauthorized setting changes can disrupt printer operation.

CVSS severity6.3
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in WebConfig on SATO CL4NX-J Plus 1.13.2-u455_r2 allows remote attackers to change printer settings. Public records do not disclose which WebConfig request bypasses the manager login or how its authentication check fails. Access to the printer's local network is required, and unauthorized setting changes can disrupt printer operation.

The record

CVE
CVE-2023-5326
Published
Oct 1, 2023
Updated
Sep 20, 2024
Vendor
SATO Corporation
Product
CL4NX-J Plus
Classifications
CWE-287
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.13.2-u455_r2

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

SATO Corporation · CL4NX-J Plusversion=1.13.2-u455_r2

Published CVSS scores

5.8VulDBAV:A/AC:L/Au:N/C:P/I:P/A:P
8.8NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.3VulDBCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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