{"containers": {"cna": {"affected": [{"product": "proxygen", "vendor": "Facebook", "versions": [{"lessThan": "v2020.05.18.00", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "unaffected", "version": "v2020.05.18.00", "versionType": "custom"}]}], "dateAssigned": "2020-05-18T00:00:00", "descriptions": [{"lang": "en", "value": "A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00."}], "problemTypes": [{"descriptions": [{"description": "Use-after-free (CWE-ID 416)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-18T21:30:14", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2020-1897"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2020-05-18", "ID": "CVE-2020-1897", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "proxygen", "version": {"version_data": [{"version_affected": "<", "version_value": "v2020.05.18.00"}, {"version_affected": "!>=", "version_value": "v2020.05.18.00"}]}}]}, "vendor_name": "Facebook"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use-after-free (CWE-ID 416)"}]}]}, "references": {"reference_data": [{"name": "https://www.facebook.com/security/advisories/cve-2020-1897", "refsource": "CONFIRM", "url": "https://www.facebook.com/security/advisories/cve-2020-1897"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:53:59.853Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.facebook.com/security/advisories/cve-2020-1897"}]}]}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1897", "datePublished": "2020-05-18T21:30:14", "dateReserved": "2019-12-02T00:00:00", "dateUpdated": "2024-08-04T06:53:59.853Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:*", "matchCriteriaId": "9973A048-EE22-4BF6-9930-E58B51EBF463", "versionEndExcluding": "2020.05.18.00", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00."}, {"lang": "es", "value": "Un uso de la memoria previamente liberada es posible debido a un error en la administraci\u00f3n perpetua en el adaptador de petici\u00f3n cuando un cliente malicioso invoca el manejo de errores de petici\u00f3n en una secuencia espec\u00edfica. Este problema afecta a las versiones de proxygen anteriores a v2020.05.18.00."}], "id": "CVE-2020-1897", "lastModified": "2020-05-19T20:28:40.087", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "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": 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": "2020-05-18T22:15:13.000", "references": [{"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2020-1897"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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