How severe is CVE-2023-23594?

CVE-2023-23594 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-23594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23594?

CVE-2023-23594 affects Sato-global Cl4nx Plus Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23594?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-23594 published?

CVE-2023-23594 was published on 2023-03-31 and last updated on 2026-06-17.

CVE-2023-23594

CVE-2023-23594 is a critical-severity vulnerability in Sato-global Cl4nx Plus Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Sato-global Cl4nx Plus Firmware
Published: 2023-03-31
Last modified: 2026-06-17

Description

An authentication bypass vulnerability in the web client interface for the CL4NX printer before firmware version 1.13.3-u724_r2 provides remote unauthenticated attackers with access to execute commands intended only for valid/authenticated users, such as file uploads and configuration changes.

Frequently asked questions

What is CVE-2023-23594?: An authentication bypass vulnerability in the web client interface for the CL4NX printer before firmware version 1.13.3-u724_r2 provides remote unauthenticated attackers with access to execute commands intended only for valid/authenticated users, such as file uploads and configuration changes.
How severe is CVE-2023-23594?: CVE-2023-23594 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-23594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23594?: CVE-2023-23594 affects Sato-global Cl4nx Plus Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-23594 published?: CVE-2023-23594 was published on 2023-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sato-global:cl4nx_plus_firmware:*:*:*:*:*:*:*:*

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