FKIE_CVE-2021-21490
Vulnerability from fkie_nvd - Published: 2021-06-09 14:15 - Updated: 2026-06-17 03:35
Severity
Summary
SAP NetWeaver AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user.
References
| URL | Tags | ||
|---|---|---|---|
| cna@sap.com | https://launchpad.support.sap.com/#/notes/3004043 | Permissions Required, Vendor Advisory | |
| cna@sap.com | https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://launchpad.support.sap.com/#/notes/3004043 | Permissions Required, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999 | Vendor Advisory |
Impacted products
{
"affected": [
{
"affectedData": [
{
"product": "SAP NetWeaver AS for ABAP (Web Survey)",
"vendor": "SAP SE",
"versions": [
{
"status": "affected",
"version": "\u003c 700"
},
{
"status": "affected",
"version": "\u003c 702"
},
{
"status": "affected",
"version": "\u003c 710"
},
{
"status": "affected",
"version": "\u003c 711"
},
{
"status": "affected",
"version": "\u003c 730"
},
{
"status": "affected",
"version": "\u003c 731"
},
{
"status": "affected",
"version": "\u003c 750"
},
{
"status": "affected",
"version": "\u003c 752"
},
{
"status": "affected",
"version": "\u003c 75A"
},
{
"status": "affected",
"version": "\u003c 75F"
}
]
}
],
"source": "cna@sap.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:75a:*:*:*:*:*:*:*",
"matchCriteriaId": "BF4998F3-74DB-4E8C-BBEA-DFE0246D9C49",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:75f:*:*:*:*:*:*:*",
"matchCriteriaId": "5177A906-AEBD-47B7-A793-B74C88038C2E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:*",
"matchCriteriaId": "C5A3C915-0E5F-4B1A-B1EB-5ADEA517F620",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:*",
"matchCriteriaId": "706FEB9E-3EE9-405E-A8C9-733DAF68AC6D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:710:*:*:*:*:*:*:*",
"matchCriteriaId": "9B5BF1EC-C2A6-486B-8E63-0A7ED431C1F0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:711:*:*:*:*:*:*:*",
"matchCriteriaId": "17847B21-8BE6-4359-913B-B6592D37C655",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:730:*:*:*:*:*:*:*",
"matchCriteriaId": "2F1B47E4-C4E3-4D79-9048-EF6A82B8085E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:*",
"matchCriteriaId": "5CC29738-CF17-4E6B-9C9E-879B17F7E001",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:*",
"matchCriteriaId": "7777AA80-1608-420E-B7D5-09ABECD51728",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:*",
"matchCriteriaId": "62828DCD-F80E-4C7C-A988-EFEA06A5223E",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "SAP NetWeaver AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user."
},
{
"lang": "es",
"value": "SAP NetWeaver AS para ABAP (Web Survey), versiones: 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, no codifica suficientemente los par\u00e1metros input y output, lo que resulta en una vulnerabilidad de tipo cross site scripting reflejado, mediante el cual un usuario malicioso puede acceder a los datos relacionados con la sesi\u00f3n actual y usarlos para hacerse pasar por un usuario y acceder a toda la informaci\u00f3n con los mismos derechos que el usuario objetivo"
}
],
"id": "CVE-2021-21490",
"lastModified": "2026-06-17T03:35:40.450",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "cna@sap.com",
"type": "Secondary"
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-06-09T14:15:08.010",
"references": [
{
"source": "cna@sap.com",
"tags": [
"Permissions Required",
"Vendor Advisory"
],
"url": "https://launchpad.support.sap.com/#/notes/3004043"
},
{
"source": "cna@sap.com",
"tags": [
"Vendor Advisory"
],
"url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Vendor Advisory"
],
"url": "https://launchpad.support.sap.com/#/notes/3004043"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
}
],
"sourceIdentifier": "cna@sap.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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