Show plain JSON{"containers": {"cna": {"affected": [{"product": "immer", "vendor": "n/a", "versions": [{"lessThan": "9.0.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Alessio Della Libera of Snyk Research Team"}], "datePublic": "2021-09-01T00:00:00", "descriptions": [{"lang": "en", "value": "This affects the package immer before 9.0.6. A type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition (p === \"__proto__\" || p === \"constructor\") in applyPatches_ returns false if p is ['__proto__'] (or ['constructor']). The === operator (strict equality operator) returns false if the operands have different type."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "integrityImpact": "LOW", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 5.1, "temporalSeverity": "MEDIUM", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-01T17:30:09", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542"}, {"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237"}], "title": "Prototype Pollution", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2021-09-01T17:28:18.037848Z", "ID": "CVE-2021-23436", "STATE": "PUBLIC", "TITLE": "Prototype Pollution"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "immer", "version": {"version_data": [{"version_affected": "<", "version_value": "9.0.6"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "Alessio Della Libera of Snyk Research Team"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This affects the package immer before 9.0.6. A type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition (p === \"__proto__\" || p === \"constructor\") in applyPatches_ returns false if p is ['__proto__'] (or ['constructor']). The === operator (strict equality operator) returns false if the operands have different type."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542"}, {"name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266"}, {"name": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237", "refsource": "MISC", "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:05:55.905Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-IMMER-1540542"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2021-23436", "datePublished": "2021-09-01T17:30:09.902397Z", "dateReserved": "2021-01-08T00:00:00", "dateUpdated": "2024-09-16T16:28:32.515Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}