CVE-2021-27759
Estado: ModificadaMedia (6.5)—
This vulnerability arises because the application allows the user to perform some sensitive action without verifying that the request was sent intentionally. An attacker can cause a victim's browser to emit an HTTP request to an arbitrary URL in the application.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.30%
- Percentil entre todas las CVEs puntuadas: 21
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-352
- CWE-345
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-27759",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@hcl.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 2.3,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 0.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "psirt@hcl.com",
"affectedData": [
{
"vendor": "HCL Software",
"product": "HCL BigFix Inventory",
"versions": [
{
"status": "affected",
"version": "9.x"
},
{
"status": "affected",
"version": "10.x"
}
]
}
]
}
],
"published": "2022-05-06T18:15:08.643",
"references": [
{
"url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098006",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"source": "psirt@hcl.com"
},
{
"url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098006",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@hcl.com",
"description": [
{
"lang": "en",
"value": "CWE-352"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-345"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "This vulnerability arises because the application allows the user to perform some sensitive action without verifying that the request was sent intentionally. An attacker can cause a victim's browser to emit an HTTP request to an arbitrary URL in the application."
},
{
"lang": "es",
"value": "Esta vulnerabilidad surge porque la aplicación permite al usuario llevar a cabo alguna acción confidencial sin verificar que la petición fue enviada intencionalmente. Un atacante puede causar que el navegador de la víctima emita una petición HTTP a una URL arbitraria en la aplicación"
}
],
"lastModified": "2026-06-17T03:45:24.550",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hcltech:bigfix_inventory:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8977559C-10CF-4898-AF5F-A27B15C87579",
"versionEndExcluding": "10.0.7.0",
"versionStartIncluding": "9.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@hcl.com"
}