CVE-2021-23452

This affects all versions of package x-assign. The global proto object can be polluted using the __proto__ object.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://runkit.com/embed/sq8qjwemyn8t	Third Party Advisory URL Repurposed
https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:binaryops:x-assign:*:*:*:*:*:node.js:*:*

History

14 Feb 2024, 01:17

Type	Values Removed	Values Added
References	~~() https://runkit.com/embed/sq8qjwemyn8t - Third Party Advisory~~	() https://runkit.com/embed/sq8qjwemyn8t - Third Party Advisory, URL Repurposed

02 Dec 2022, 19:34

Type	Values Removed	Values Added
CWE	~~CWE-915~~	CWE-1321

25 Oct 2021, 19:53

Type	Values Removed	Values Added
CPE		cpe:2.3:a:binaryops:x-assign::::::node.js::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CWE		CWE-915
References	~~(MISC) https://runkit.com/embed/sq8qjwemyn8t -~~	(MISC) https://runkit.com/embed/sq8qjwemyn8t - Third Party Advisory
References	~~(MISC) https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314 -~~	(MISC) https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314 - Exploit, Third Party Advisory

20 Oct 2021, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-20 13:15

Updated : 2024-02-14 01:17

NVD link : CVE-2021-23452

Mitre link : CVE-2021-23452

CVE.ORG link : CVE-2021-23452

JSON object : View

Products Affected

binaryops

x-assign

CWE

CWE-1321

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

{"id": "CVE-2021-23452", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 3.9}]}, "published": "2021-10-20T13:15:07.537", "references": [{"url": "https://runkit.com/embed/sq8qjwemyn8t", "tags": ["Third Party Advisory", "URL Repurposed"], "source": "report@snyk.io"}, {"url": "https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1321"}]}], "descriptions": [{"lang": "en", "value": "This affects all versions of package x-assign. The global proto object can be polluted using the __proto__ object."}, {"lang": "es", "value": "Esto afecta a todas las versiones del paquete x-assign. El objeto global proto puede ser contaminado usando el objeto __proto__"}], "lastModified": "2024-02-14T01:17:43.863", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:binaryops:x-assign:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "680FAF07-0315-44A5-9C4D-5349BA12B6BC"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}