CVE-2021-23566

{"id": "CVE-2021-23566", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2022-01-14T20:15:10.093", "references": [{"url": "https://gist.github.com/artalar/bc6d1eb9a3477d15d2772e876169a444", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://github.com/ai/nanoid/commit/2b7bd9332bc49b6330c7ddb08e5c661833db2575", "tags": ["Patch", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://github.com/ai/nanoid/pull/328", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2332550", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://snyk.io/vuln/SNYK-JS-NANOID-2332193", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://gist.github.com/artalar/bc6d1eb9a3477d15d2772e876169a444", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ai/nanoid/commit/2b7bd9332bc49b6330c7ddb08e5c661833db2575", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ai/nanoid/pull/328", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00006.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2332550", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://snyk.io/vuln/SNYK-JS-NANOID-2332193", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-704"}]}], "descriptions": [{"lang": "en", "value": "The package nanoid from 3.0.0 and before 3.1.31 are vulnerable to Information Exposure via the valueOf() function which allows to reproduce the last id generated."}, {"lang": "es", "value": "El paquete nanoid desde la versi\u00f3n 3.0.0 y antes de la versi\u00f3n 3.1.31, es vulnerable a una Exposici\u00f3n de Informaci\u00f3n por medio de la funci\u00f3n valueOf() que permite reproducir el \u00faltimo id generado"}], "lastModified": "2025-11-03T22:15:47.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nanoid_project:nanoid:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "6264B90E-B9A3-4BA7-9CF8-88C3994317BA", "versionEndExcluding": "3.1.31", "versionStartIncluding": "3.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}