CVE-2021-4462 | BDVDB-2026-301236 Detail

Employee Records SystemEmployee 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.

Impact#

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

Weaknesses#

CWE-434 Unrestricted Upload of File with Dangerous Type

References#

Exploit#

https://www.exploit-db.com/exploits/49596

History#

Version 12025-11-10Record published in the CVE List.
Version 22026-04-07Most recent update recorded in the CVE List.

Published

Published: 2025-11-10
Last modified: 2026-04-07

Vendor information

Vendor: Employee Records System
Product: Employee Records System

All Employee Records System vulnerabilities

Score

9.3 Critical

EPSS

3.4%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 89.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Unrestricted File Upload

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.0
Fixed
Not stated

Scoring System

CVSS v4.0

9.3 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).