CVE-2020-5753

{"containers": {"cna": {"affected": [{"product": "Signal Private Messenger", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android versions v4.59.0 and up, iOS versions v3.8.1.5 and up"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Information Disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-20T13:40:19.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2020-33"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2020-5753", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Signal Private Messenger", "version": {"version_data": [{"version_value": "Android versions v4.59.0 and up, iOS versions v3.8.1.5 and up"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information Disclosure"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2020-33", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2020-33"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:39:25.691Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2020-33"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2020-5753", "datePublished": "2020-05-20T13:40:19.000Z", "dateReserved": "2020-01-06T00:00:00.000Z", "dateUpdated": "2024-08-04T08:39:25.691Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Signal Private Messenger", "vendor": "n/a", "versions": [{"status": "affected", "version": "Android versions v4.59.0 and up, iOS versions v3.8.1.5 and up"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:*", "matchCriteriaId": "6D4C2970-8FA4-4F09-B53F-43A89A1A0989", "versionEndIncluding": "4.59.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "97DA7B29-5496-46D9-BDAC-F0295C01F720", "versionEndIncluding": "3.8.1.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2020-5753", "lastModified": "2026-06-17T03:22:10.380", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "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": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-20T14:15:11.673", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-33"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-670"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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