CVE-2021-39168

{"containers": {"cna": {"affected": [{"product": "openzeppelin-contracts-upgradeable", "vendor": "OpenZeppelin", "versions": [{"status": "affected", "version": ">=4.0.0, < 4.3.1"}, {"status": "affected", "version": ">=3.3.0, < 3.4.2"}, {"status": "affected", "version": ">= 3.3.0-solc-0.7, < 3.4.2-solc-0.7"}]}], "descriptions": [{"lang": "en", "value": "OpenZepplin is a library for smart contract development. In affected versions a vulnerability in TimelockController allowed an actor with the executor role to escalate privileges. Further details about the vulnerability will be disclosed at a later date. As a workaround revoke the executor role from accounts not strictly under the team's control. We recommend revoking all executors that are not also proposers. When applying this mitigation, ensure there is at least one proposer and executor remaining."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-26T23:35:11.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431"}], "source": {"advisory": "GHSA-vrw4-w73r-6mm8", "discovery": "UNKNOWN"}, "title": "TimelockController vulnerability in OpenZeppelin Contracts", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39168", "STATE": "PUBLIC", "TITLE": "TimelockController vulnerability in OpenZeppelin Contracts"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "openzeppelin-contracts-upgradeable", "version": {"version_data": [{"version_value": ">=4.0.0, < 4.3.1"}, {"version_value": ">=3.3.0, < 3.4.2"}, {"version_value": ">= 3.3.0-solc-0.7, < 3.4.2-solc-0.7"}]}}]}, "vendor_name": "OpenZeppelin"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "OpenZepplin is a library for smart contract development. In affected versions a vulnerability in TimelockController allowed an actor with the executor role to escalate privileges. Further details about the vulnerability will be disclosed at a later date. As a workaround revoke the executor role from accounts not strictly under the team's control. We recommend revoking all executors that are not also proposers. When applying this mitigation, ensure there is at least one proposer and executor remaining."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-269: Improper Privilege Management"}]}]}, "references": {"reference_data": [{"name": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8", "refsource": "CONFIRM", "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8"}, {"name": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5", "refsource": "MISC", "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5"}, {"name": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431", "refsource": "MISC", "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431"}]}, "source": {"advisory": "GHSA-vrw4-w73r-6mm8", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.167Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39168", "datePublished": "2021-08-26T23:35:11.000Z", "dateReserved": "2021-08-16T00:00:00.000Z", "dateUpdated": "2024-08-04T01:58:18.167Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "openzeppelin-contracts-upgradeable", "vendor": "OpenZeppelin", "versions": [{"status": "affected", "version": ">=4.0.0, < 4.3.1"}, {"status": "affected", "version": ">=3.3.0, < 3.4.2"}, {"status": "affected", "version": ">= 3.3.0-solc-0.7, < 3.4.2-solc-0.7"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "DEBCF7A9-A5BD-46F3-827D-69720CF22D1F", "versionEndExcluding": "3.4.2", "versionStartIncluding": "3.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "2463BC6A-19BE-4C22-AAD0-909CFB97EB50", "versionEndExcluding": "4.3.1", "versionStartIncluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenZepplin is a library for smart contract development. In affected versions a vulnerability in TimelockController allowed an actor with the executor role to escalate privileges. Further details about the vulnerability will be disclosed at a later date. As a workaround revoke the executor role from accounts not strictly under the team's control. We recommend revoking all executors that are not also proposers. When applying this mitigation, ensure there is at least one proposer and executor remaining."}, {"lang": "es", "value": "OpenZepplin es una biblioteca para el desarrollo de contratos inteligentes. En las versiones afectadas, una vulnerabilidad en TimelockController permit\u00eda a un actor con el rol de ejecutor escalar privilegios. M\u00e1s adelante ser\u00e1n divulgados m\u00e1s detalles sobre la vulnerabilidad. Como soluci\u00f3n alternativa, revoque el rol de ejecutor de las cuentas que no est\u00e9n estrictamente bajo el control del equipo. Recomendamos revocar todos los ejecutores que no sean tambi\u00e9n proponentes. Cuando aplique esta mitigaci\u00f3n, aseg\u00farese de que queda al menos un proponente y un ejecutor."}], "id": "CVE-2021-39168", "lastModified": "2026-06-17T04:03:14.207", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"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": "2021-08-27T00:15:07.040", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/security/advisories/GHSA-vrw4-w73r-6mm8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md#431"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/cec4f2ef57495d8b1742d62846da212515d99dd5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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