Arbitrary file upload in Byzoro Smart S40

CVE-2024-1253

A vulnerability, which was classified as critical, has been found in Byzoro Smart S40 Management Platform up to 20240126. Affected by this issue is some unknown functionality of the file /useratte/web.php of the component Import Handler. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252992. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Unrestricted File Upload

EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-1253?
CVE-2024-1253 is a medium-severity vulnerability in Byzoro Smart S40, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.7/10. Published 2024-02-06.
How severe is CVE-2024-1253?
Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2024-1253 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.