{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2022-01-07T20:00:12.624176Z", "ID": "CVE-2021-23568", "STATE": "PUBLIC", "TITLE": "Prototype Pollution" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "extend2", "version": { "version_data": [ { "version_affected": "<", "version_value": "1.0.1" } ] } } ] }, "vendor_name": "n/a" } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Prototype Pollution" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315", "name": "https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315" }, { "refsource": "MISC", "url": "https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60", "name": "https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60" }, { "refsource": "MISC", "url": "https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8", "name": "https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8" }, { "refsource": "MISC", "url": "https://github.com/eggjs/extend2/pull/2", "name": "https://github.com/eggjs/extend2/pull/2" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge." } ] }, "impact": { "cvss": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW" } }, "credit": [ { "lang": "eng", "value": "Bob \"Wombat\" Hogg" } ] }