CVE-2019-3977

{"containers": {"cna": {"affected": [{"product": "MikroTik RouterOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}], "descriptions": [{"lang": "en", "value": "RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into \"upgrading\" to an older version of RouterOS and possibly reseting all the system's usernames and passwords."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-494", "description": "CWE-494 Insufficient checks on origin", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-10-28T21:34:37.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2019-46"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2019-3977", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "MikroTik RouterOS", "version": {"version_data": [{"version_value": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into \"upgrading\" to an older version of RouterOS and possibly reseting all the system's usernames and passwords."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-494 Insufficient checks on origin"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2019-46", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2019-46"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T19:26:27.646Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2019-46"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2019-3977", "datePublished": "2019-10-28T21:34:37.000Z", "dateReserved": "2019-01-03T00:00:00.000Z", "dateUpdated": "2024-08-04T19:26:27.646Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "MikroTik RouterOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*", "matchCriteriaId": "E96DA8A8-65E0-4D1C-A15B-8A4F7A0644A1", "versionEndIncluding": "6.44.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*", "matchCriteriaId": "AA750EF2-6247-46CF-B800-C0417F6D35A5", "versionEndIncluding": "6.45.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into \"upgrading\" to an older version of RouterOS and possibly reseting all the system's usernames and passwords."}, {"lang": "es", "value": "RouterOS versi\u00f3n 6.45.6 Stable, RouterOS versi\u00f3n 6.44.5 Long-Term y anteriores, comprueban insuficientemente desde d\u00f3nde se descargan los paquetes de actualizaci\u00f3n cuando se usa la funcionalidad autoupgrade. Por lo tanto, un atacante remoto puede enga\u00f1ar al router para un \"upgrading\" a una versi\u00f3n anterior de RouterOS y posiblemente restablezca todos los nombres de usuario y contrase\u00f1as del sistema."}], "id": "CVE-2019-3977", "lastModified": "2026-06-17T02:35:59.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 8.5, "confidentialityImpact": "NONE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:C/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 7.8, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-29T19:15:20.407", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-46"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-494"}], "source": "vulnreport@tenable.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-494"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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