CVE-2023-6574

Name: CVE-2023-6574
Creator: NVD / NIST
Published: 2023-12-07T20:15:38.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2023-6574 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. The manipulation of the argument 1_file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-247154 is the identifier 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

1.58%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Byzoro	Smart S20 Firmware	<= 2023-11-20

References

https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.247154Third Party Advisory
https://vuldb.com/?id.247154Third Party Advisory
https://vuldb.com/?submit.241172
https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.247154Third Party Advisory
https://vuldb.com/?id.247154Third Party Advisory
https://vuldb.com/?submit.241172

Timeline

Published: Dec 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6574?

How severe is CVE-2023-6574?

CVE-2023-6574 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6574?

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-2023-6574?

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

Scan your code now

Source: NVD / NIST