CVE-2023-4120

Name: CVE-2023-4120
Creator: NVD / NIST
Published: 2023-08-03T09:15:10.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 81.14%

Last modified Jun 17, 2026

CVE-2023-4120 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722 and classified as critical. This issue affects some unknown processing of the file importhtml.php. EPSS estimates a 81.14% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722 and classified as critical. This issue affects some unknown processing of the file importhtml.php. The manipulation of the argument sql leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-235967. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

81.14%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Byzoro	Smart S85f	<= 20230722

References

https://github.com/RCEraser/cve/blob/main/rce.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.235967Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.235967Third Party Advisory, VDB Entry
https://vuldb.com/?submit.185751
https://github.com/RCEraser/cve/blob/main/rce.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.235967Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.235967Third Party Advisory, VDB Entry
https://vuldb.com/?submit.185751

Timeline

Published: Aug 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4120?

How severe is CVE-2023-4120?

CVE-2023-4120 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 81.14% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4120?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4120?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST