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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Byzoro Smart S20 — versions 20231120
- Byzoro Smart S20
- Byzoro Smart S20 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, permissions-required, Third Party Advisory)
- vuldb.com/ (third-party-advisory)
- github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md (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.