Arbitrary file upload in Byzoro Smart S20
CVE-2023-6574
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Byzoro Smart S20 — versions 20231120
- Byzoro Smart_s20
- Byzoro Smart_s20_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, permissions-required, Third Party Advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit, patch)
Frequently asked questions
- What is CVE-2023-6574?
- CVE-2023-6574 is a medium-severity vulnerability in Byzoro Smart S20, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.3/10. Published 2023-12-07.
- How severe is CVE-2023-6574?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2023-6574 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.