Arbitrary file upload in Byzoro Smart S85f
CVE-2023-4121
A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722. It has been classified as critical. Affected is an unknown function. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235968. 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: 0.025 (84.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Byzoro Smart S85f
- Byzoro Smart S85f Management Platform — versions 20230722
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/ (third-party-advisory)
- github.com/torres14852/cve/blob/main/upload.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2023-4121?
- CVE-2023-4121 is a medium-severity vulnerability in Byzoro Smart S85f, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.3/10. Published 2023-08-03.
- How severe is CVE-2023-4121?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2023-4121 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.