CVE-2020-10146

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{"affected": [{"affectedData": [{"product": "Teams", "vendor": "Microsoft", "versions": [{"lessThan": "on or about October 2020", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "cret@cert.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*", "matchCriteriaId": "C00C0602-93E9-410F-9868-22F1334AEB10", "versionEndExcluding": "2020-10-29", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Microsoft Teams online service contains a stored cross-site scripting vulnerability in the displayName parameter that can be exploited on Teams clients to obtain sensitive information such as authentication tokens and to possibly execute arbitrary commands. This vulnerability was fixed for all Teams users in the online service on or around October 2020."}, {"lang": "es", "value": "El servicio en l\u00ednea de Microsoft Teams contiene una vulnerabilidad de tipo cross-site scripting almacenado en el par\u00e1metro displayName que puede ser explotada en los clientes de Teams para conseguir informaci\u00f3n confidencial como tokens de autenticaci\u00f3n y para ejecutar posiblemente comandos arbitrarios. Esta vulnerabilidad fue corregida para todos los usuarios de Teams en el servicio en l\u00ednea sobre o alrededor de octubre de 2020"}], "id": "CVE-2020-10146", "lastModified": "2026-06-17T02:47:26.303", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "cret@cert.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-09T01:15:12.283", "references": [{"source": "cret@cert.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/oskarsve/ms-teams-rce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/oskarsve/ms-teams-rce"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cret@cert.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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