Arbitrary file upload in Byzoro Smart S85f Management Platform
CVE-2023-4739
A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the ar…
Vulnerability class: Unrestricted File Upload
EPSS: 0.001 (17.6th 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 S85f Management Platform — versions 20230820
Weakness classification (CWE)
References
- VDB-238628 | Byzoro Smart S85F Management Platform updateos.php unrestricted upload (vdb-entry, technical-description)
- VDB-238628 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #197572 | A file upload vulnerability exists on the Smart S85F management platform (third-party-advisory)
- github.com/Meizhi-hua/cve/blob/main/upload_file.md (exploit)
Frequently asked questions
- What is CVE-2023-4739?
- CVE-2023-4739 is a medium-severity vulnerability in Byzoro Smart S85f Management Platform, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.3/10. Published 2023-09-03.
- How severe is CVE-2023-4739?
- Medium severity. CVSS v3 base score is 6.3 out of 10.