Arbitrary file upload in Byzoro Smart S80 Management Platform
CVE-2024-3521
A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img 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-259892. 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 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.012 (68.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Byzoro Smart S80 Management Platform — versions 20240317
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/garboa/cve_3/blob/main/Upload2.md (exploit)
Frequently asked questions
- What is CVE-2024-3521?
- CVE-2024-3521 is a medium-severity vulnerability in Byzoro Smart S80 Management Platform, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.7/10. Published 2024-04-09.
- How severe is CVE-2024-3521?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2024-3521 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.