CVE-2020-5753

{"id": "CVE-2020-5753", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2020-05-20T14:15:11.673", "references": [{"url": "https://www.tenable.com/security/research/tra-2020-33", "tags": ["Third Party Advisory"], "source": "vulnreport@tenable.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-670"}]}], "descriptions": [{"lang": "en", "value": "Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote non-contact to ring a victim's Signal phone and disclose currently used DNS server due to ICE Candidate handling before call is answered or declined."}, {"lang": "es", "value": "Signal Private Messenger Android versiones v4.59.0 y superiores e iOS versiones v3.8.1.5 y superiores, permiten a alguien que no es contacto remoto llamar al tel\u00e9fono Signal de la v\u00edctima y divulgar el servidor DNS usado actualmente debido al manejo de ICE Candidate antes de que la llamada sea contestada o rechazada."}], "lastModified": "2022-04-07T17:56:35.280", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "6D4C2970-8FA4-4F09-B53F-43A89A1A0989", "versionEndIncluding": "4.59.0"}, {"criteria": "cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "97DA7B29-5496-46D9-BDAC-F0295C01F720", "versionEndIncluding": "3.8.1.5"}], "operator": "OR"}]}], "sourceIdentifier": "vulnreport@tenable.com"}