CVE-2023-5489

Name: CVE-2023-5489
Creator: NVD / NIST
Published: 2023-10-10T15:15:10.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.72%

Last modified Jun 17, 2026

CVE-2023-5489 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This affects an unknown part of the file /Tool/uploadfile.php. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This affects an unknown part of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241641 was assigned to this vulnerability. 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

1.72%

74.6th 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_%20uploadfile.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.241641Permissions Required, Third Party Advisory
https://vuldb.com/?id.241641Third Party Advisory
https://vuldb.com/?submit.213946
https://github.com/llixixi/cve/blob/main/s45_upload_%20uploadfile.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.241641Permissions Required, Third Party Advisory
https://vuldb.com/?id.241641Third Party Advisory
https://vuldb.com/?submit.213946

Timeline

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

Frequently Asked Questions

What is CVE-2023-5489?

How severe is CVE-2023-5489?

CVE-2023-5489 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5489?

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-2023-5489?

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

Scan your code now

Source: NVD / NIST