VULNERABILITY INTELLIGENCE

CVE-2021-4462

CVSS score9.8 CRITICAL
EPSS probability3.42%
CISA KEVNot currently listed
Published2025-11-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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 application does not perform proper server-side validation. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.

Weakness classification

  • disclosure@vulncheck.com: CWE-434

Primary references