CVE-2021-33665
Estado: ModificadaMedia (5.4)—
SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML), versions - KRNL64NUC - 7.49, KRNL64UC - 7.49,7.53, KERNEL - 7.49,7.53,7.77,7.81,7.84, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.47%
- Percentil entre todas las CVEs puntuadas: 39
- Fecha de la puntuación: 7/10/2026
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-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-33665",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Secondary",
"source": "cna@sap.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.3
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "cna@sap.com",
"affectedData": [
{
"vendor": "SAP SE",
"product": "SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML)",
"versions": [
{
"status": "affected",
"version": "< KRNL64NUC - 7.49"
},
{
"status": "affected",
"version": "< KRNL64UC - 7.49"
},
{
"status": "affected",
"version": "< 7.53"
},
{
"status": "affected",
"version": "< KERNEL - 7.49"
},
{
"status": "affected",
"version": "< 7.77"
},
{
"status": "affected",
"version": "< 7.81"
},
{
"status": "affected",
"version": "< 7.84"
}
]
}
]
}
],
"published": "2021-06-09T14:15:10.077",
"references": [
{
"url": "https://launchpad.support.sap.com/#/notes/3028370",
"tags": [
"Permissions Required",
"Vendor Advisory"
],
"source": "cna@sap.com"
},
{
"url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
"tags": [
"Vendor Advisory"
],
"source": "cna@sap.com"
},
{
"url": "https://launchpad.support.sap.com/#/notes/3028370",
"tags": [
"Permissions Required",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML), versions - KRNL64NUC - 7.49, KRNL64UC - 7.49,7.53, KERNEL - 7.49,7.53,7.77,7.81,7.84, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability."
},
{
"lang": "es",
"value": "SAP NetWeaver Application Server ABAP (Aplicaciones basadas en SAP GUI para HTML), versiones - KRNL64NUC - 7.49, KRNL64UC - 7.49,7.53, KERNEL - 7.49,7.53,7.77,7.81,7.84, no codifica suficientemente las entradas controladas por el usuario, resultando en una vulnerabilidad de tipo cross-site scripting (XSS)"
}
],
"lastModified": "2026-06-17T03:54:59.513",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.49:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5370493B-8917-4ACC-9C4B-043BEF7CCCA8"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.53:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DBC44C62-0BFD-4170-B094-C82DEA473938"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.77:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "208F59B2-7D79-4E0E-97DA-AEB9976C8EEA"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.81:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F39863DC-8CF3-4FB9-8FBF-1776791D701F"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.84:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8FB964D8-83B6-4DCE-B51D-CBD8766A8FBE"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.49:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB478A3C-4DD5-4F42-B2F1-9B7CCBA1B995"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.49:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6D5F8B53-ECAD-4CD2-8F91-25112569C056"
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.53:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ADE160BD-659F-4517-B625-61CFB2FBD456"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cna@sap.com"
}