What is CVE-2021-4462?

CVE-2021-4462 is a critical-severity vulnerability in Employee Records System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-11-10.

How severe is CVE-2021-4462?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Employee Records System

CVE-2021-4462

Employee Records System version 1.0 contains an unrestricted file upload vulnerability that allows a remote unauthenticated attacker to upload arbitrary files via the uploadID.php endpoint; uploaded files can be executed because the applic…

Vulnerability class: Unrestricted File Upload

EPSS: 0.031 (85.9th 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

Employee Records System — versions 1.0
Skittles Employee_records_system — versions 1.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-4462?: CVE-2021-4462 is a critical-severity vulnerability in Employee Records System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-11-10.
How severe is CVE-2021-4462?: Critical severity. CVSS v3 base score is 9.8 out of 10.