CVE-2021-4462
CVSS v3
9.8
CRITICAL
EPSS Score
20.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2025-11-10
Frequently asked questions
What is 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 application does not perform proper server-side validation. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.
Is CVE-2021-4462 actively exploited?
Active exploitation of CVE-2021-4462 has not been confirmed. The EPSS score is 20.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-4462?
CVE-2021-4462 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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