CVE-2021-47986

{"id": "CVE-2021-47986", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-47986", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-26T10:37:50.846778Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "parse-community", "product": "parse-server", "versions": [{"status": "affected", "version": "0", "lessThan": "4.10.0", "versionType": "semver"}, {"status": "unaffected", "version": "4.10.0", "versionType": "semver"}], "packageURL": "pkg:npm/parse-server", "defaultStatus": "unaffected"}]}], "published": "2026-06-25T22:16:58.210", "references": [{"url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w", "tags": ["Vendor Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-494"}]}], "descriptions": [{"lang": "en", "value": "Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code."}], "lastModified": "2026-07-30T14:32:43.940", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:parseplatform:parse-server:4.0.0:beta1:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "FBC7BA29-AACE-4437-BF4A-19341B2932D1"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:4.0.0:beta2:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "54A1A0AE-9240-46ED-8794-891381A1EAB2"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:4.0.0:beta3:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "EB3D6D33-0426-4E9D-92DC-A374270A3C9C"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:4.0.0:beta4:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "F3E81311-4E20-4AEB-9D11-750F1E00F37F"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:4.0.0:beta5:*:*:*:node.js:*:*", 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