CVE-2021-3757

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{"affected": [{"affectedData": [{"product": "immerjs/immer", "vendor": "immerjs", "versions": [{"lessThanOrEqual": "9.0.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:immer_project:immer:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "FA569641-1319-4F9F-B724-2D8F6C01676F", "versionEndIncluding": "9.0.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}, {"lang": "es", "value": "immer es vulnerable a una Modificaci\u00f3n Controlada Inapropiada de Atributos de Prototipos de Objetos (\"Contaminaci\u00f3n de Prototipos\")"}], "id": "CVE-2021-3757", "lastModified": "2026-06-17T04:05:42.463", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-02T12:15:07.617", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4848", "cpe": "cpe:/a:redhat:rhmt:1.5::el8", "impact": "low", "package": "rhmtc/openshift-migration-ui-rhel8:v1.5.2-6", "product_name": "Red Hat Migration Toolkit for Containers 1.5", "release_date": "2021-11-29T00:00:00Z"}], "bugzilla": {"description": "nodejs-immer: prototype pollution may lead to DoS or remote code execution", "id": "2000734", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2000734"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-915", "details": ["immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "A flaw was found in immer when manipulates object attributes such as _proto_, constructor and prototype. An attacker can manipulate these values by overwriting and polluting them. Those attributes would be inherited by JavaScript objects which could trigger exception handlers and leading into a denial of service attack."], "name": "CVE-2021-3757", "package_state": [{"cpe": "cpe:/a:redhat:service_mesh:1", "fix_state": "Out of support scope", "impact": "moderate", "package_name": "servicemesh-grafana", "product_name": "OpenShift Service Mesh 1"}, {"cpe": "cpe:/a:redhat:service_mesh:1", "fix_state": "Out of support scope", "impact": "moderate", "package_name": "servicemesh-prometheus", "product_name": "OpenShift Service Mesh 1"}, {"cpe": "cpe:/a:redhat:service_mesh:2.0", "fix_state": "Will not fix", "package_name": "servicemesh-grafana", "product_name": "OpenShift Service Mesh 2.0"}, {"cpe": "cpe:/a:redhat:service_mesh:2.0", "fix_state": "Will not fix", "package_name": "servicemesh-prometheus", "product_name": "OpenShift Service Mesh 2.0"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/console-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/kui-web-terminal-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/search-ui-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "impact": "low", "package_name": "openshift4/ose-grafana", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "impact": "low", "package_name": "openshift4/ose-prometheus", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "impact": "low", "package_name": "openshift4/ose-thanos-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2021-08-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3757\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3757\nhttps://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa"], "statement": "In OpenShift Container Platform (OCP) and OpenShift Migration Toolkit for Containers (MTC), the affected components are behind OpenShift OAuth authentication. This restricts access to the vulnerable nodejs-immer library to authenticated users only, therefore the impact is Low.", "threat_severity": "Important"}

{}