CVE•Published 2025-11-10•1 article on news•7 live references•NVD data
CVE-2021-4462
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
9.3
CRITICAL
EPSS percentile
86
Exploit Prediction Scoring System · top 14% of all CVEs
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.
Timeline
Published 2025-11-10
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-4462Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Skittles Employee Records System" version:"1.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Employee Records System"HTTP body or banner mentions "Employee Records System" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-4462Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-4462Censys host search filtered to this CVE id.
grep.app
CVE-2021-4462Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-4462GitHub code search for direct mentions.
Google dork
"CVE-2021-4462" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.