What is CVE-2023-28353?

CVE-2023-28353 is a high-severity vulnerability in Faronics Insight, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-05-31.

How severe is CVE-2023-28353?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Faronics Insight

CVE-2023-28353

An issue was discovered in Faronics Insight 10.0.19045 on Windows. An unauthenticated attacker is able to upload any type of file to any location on the Teacher Console's computer, enabling a variety of different exploitation paths including code execution. It is also possible for the attacker to chain this vulnerability with others to cause a deployed DLL file to immediately execute as NT AUTHORITY/SYSTEM.

Vulnerability class: Unrestricted File Upload

Published 2023-05-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Faronics Insight — versions 10.0.19045
Microsoft Windows

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

research.nccgroup.com/ (Third Party Advisory)
research.nccgroup.com/2023/05/30/technical-advisory-multiple-vulnerabilities-in… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-28353?: CVE-2023-28353 is a high-severity vulnerability in Faronics Insight, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-05-31.
How severe is CVE-2023-28353?: High severity. CVSS v3 base score is 8.8 out of 10.