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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2021-4462",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2025-11-07T20:14:57.048Z",
"datePublished": "2025-11-10T22:32:33.955Z",
"dateUpdated": "2026-04-07T14:05:24.696Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"uploadID.php (file upload handler)"
],
"product": "Employee Records System",
"vendor": "Employee Records System",
"versions": [
{
"status": "affected",
"version": "1.0"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:employee_records_system_project:employee_records_system:1.0:*:*:*:*:*:*:*",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
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],
"operator": "OR"
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],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "sml"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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.&nbsp;Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.<br>"
}
],
"value": "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."
}
],
"impacts": [
{
"capecId": "CAPEC-1",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-434",
"description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-04-07T14:05:24.696Z"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.sourcecodester.com/php/11393/employee-records-system.html"
},
{
"tags": [
"exploit"
],
"url": "https://www.exploit-db.com/exploits/49596"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/employees-records-system-arbitrary-file-upload-rce"
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"x_known-exploited-vulnerability"
],
"timeline": [
{
"lang": "en",
"time": "2021-02-26T17:00:00.000Z",
"value": "ExploitDB-49596 published"
}
],
"title": "Employee Records System v1.0 Arbitrary File Upload RCE",
"x_generator": {
"engine": "vulncheck"
},
"datePublic": "2021-02-26T00:00:00.000Z"
},
"adp": [
{
"references": [
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"url": "https://www.exploit-db.com/exploits/49596",
"tags": [
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"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-11-12T17:33:46.746028Z",
"id": "CVE-2021-4462",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-11-12T20:12:31.042Z"
}
}
]
}
}