Arbitrary file upload in Hunesion I-Onenet

CVE-2019-12803

In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, the specific upload web module doesn't verify the file extension and type, and an attacker can upload a webshell. After the webshell upload, an attacker can use the webshell to perform remote code exection such as running a system command.

Vulnerability class: Unrestricted File Upload

EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-12803?
CVE-2019-12803 is a critical-severity vulnerability in Hunesion I-Onenet, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2019-07-10.
How severe is CVE-2019-12803?
Critical severity. CVSS v3 base score is 9.8 out of 10.