CVE-2021-20085

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in backbone-query-parameters 0.4.0 allows a malicious user to inject properties into Object.prototype.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/backbone-qp.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:backbone-query-parameters_project:backbone-query-parameters:0.4.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-23 19:15

Updated : 2023-08-08 14:22

NVD link : CVE-2021-20085

Mitre link : CVE-2021-20085

CVE.ORG link : CVE-2021-20085

JSON object : View

Products Affected

backbone-query-parameters_project

backbone-query-parameters

CWE

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

{"id": "CVE-2021-20085", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-04-23T19:15:10.647", "references": [{"url": "https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/backbone-qp.md", "tags": ["Exploit", "Third Party Advisory"], "source": "vulnreport@tenable.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1321"}]}], "descriptions": [{"lang": "en", "value": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in backbone-query-parameters 0.4.0 allows a malicious user to inject properties into Object.prototype."}, {"lang": "es", "value": "Una Modificaci\u00f3n Controlada Inapropiadamente de Object Prototype Attributes (\"Prototype Pollution\") en backbone-query-parameters versi\u00f3n 0.4.0, permite a un usuario malicioso inyectar propiedades en Object.prototype"}], "lastModified": "2023-08-08T14:22:24.967", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:backbone-query-parameters_project:backbone-query-parameters:0.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54C94CC9-D33F-443A-B618-85B140CD291D"}], "operator": "OR"}]}], "sourceIdentifier": "vulnreport@tenable.com"}