CVE-2020-1920

{"containers": {"cna": {"affected": [{"product": "react-native", "vendor": "Facebook", "versions": [{"lessThan": "unspecified", "status": "unaffected", "version": "0.64.1", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "0.59.0", "versionType": "custom"}]}], "dateAssigned": "2020-12-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "description": "CWE-1333: Inefficient Regular Expression Complexity", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-01T11:45:12.000Z", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2020-12-11", "ID": "CVE-2020-1920", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "react-native", "version": {"version_data": [{"version_affected": "!>=", "version_value": "0.64.1"}, {"version_affected": ">=", "version_value": "0.59.0"}]}}]}, "vendor_name": "Facebook"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-1333: Inefficient Regular Expression Complexity"}]}]}, "references": {"reference_data": [{"name": "https://github.com/facebook/react-native/releases/tag/v0.64.1", "refsource": "CONFIRM", "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"}, {"name": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7", "refsource": "MISC", "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:54:00.363Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}]}]}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1920", "datePublished": "2021-06-01T11:45:12.000Z", "dateReserved": "2019-12-02T00:00:00.000Z", "dateUpdated": "2024-08-04T06:54:00.363Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "react-native", "vendor": "Facebook", "versions": [{"lessThan": "unspecified", "status": "unaffected", "version": "0.64.1", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "0.59.0", "versionType": "custom"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:react-native:*:*:*:*:*:*:*:*", "matchCriteriaId": "1ACBCF98-25B8-4F9C-A53F-0BC1991FB485", "versionEndExcluding": "0.64.1", "versionStartIncluding": "0.59.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."}, {"lang": "es", "value": "Una vulnerabilidad de Denegaci\u00f3n de Servicio de expresi\u00f3n regular (ReDoS) en la funci\u00f3n validateBaseUrl puede hacer que la aplicaci\u00f3n utilice recursos excesivos, deje de responder o se bloquee. Esto se introdujo en versi\u00f3n 0.59.0 de react-native y se corrigi\u00f3 en versi\u00f3n 0.64.1"}], "id": "CVE-2020-1920", "lastModified": "2026-06-17T03:02:37.027", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-01T14:15:08.347", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}, {"source": "cve-assign@fb.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "cve-assign@fb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-697"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}