CVE-2023-5492

Name: CVE-2023-5492
Creator: NVD / NIST
Published: 2023-10-10T16:15:10.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.85%

Last modified Jun 17, 2026

CVE-2023-5492 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. Affected is an unknown function of the file /sysmanage/licence.php. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. Affected is an unknown function of the file /sysmanage/licence.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-241644. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Byzoro	Smart S45f Firmware	<= 20230928

References

https://github.com/llixixi/cve/blob/main/s45_upload_licence.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.241644Third Party Advisory
https://vuldb.com/?id.241644Permissions Required, Third Party Advisory
https://vuldb.com/?submit.213949
https://github.com/llixixi/cve/blob/main/s45_upload_licence.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.241644Third Party Advisory
https://vuldb.com/?id.241644Permissions Required, Third Party Advisory
https://vuldb.com/?submit.213949

Timeline

Published: Oct 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5492?

How severe is CVE-2023-5492?

CVE-2023-5492 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5492?

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-2023-5492?

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

Scan your code now

Source: NVD / NIST