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CVE-2021-4462

Employee Records System v1.0 Arbitrary File Upload RCE

Basic Information

CVE State
PUBLISHED
Reserved Date
November 07, 2025
Published Date
November 10, 2025
Last Updated
April 07, 2026
Vendor
Employee Records System
Product
Employee Records System
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.
Tags
nuclei_scanner

CVSS Scores

CVSS v4.0

9.3 - CRITICAL

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC Information

Exploitation
poc
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2026-02-26 00:00:00 UTC) Source

References

https://www.sourcecodester.com/php/11393/employee-records-system.html https://www.exploit-db.com/exploits/49596 https://www.vulncheck.com/advisories/employees-records-system-arbitrary-file-upload-rce

Known Exploited Vulnerability Information

Source Added Date
The Shadowserver (via CIRCL) 2026-02-26 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4462.yaml 2026-06-01 15:34:32 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei