CVE-2020-14993

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-24T16:47:19.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/dexterone/Vigor-poc"}, {"tags": ["x_refsource_MISC"], "url": "https://www.draytek.com/about/security-advisory"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-14993", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/dexterone/Vigor-poc", "refsource": "MISC", "url": "https://github.com/dexterone/Vigor-poc"}, {"name": "https://www.draytek.com/about/security-advisory", "refsource": "MISC", "url": "https://www.draytek.com/about/security-advisory"}, {"name": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473)", "refsource": "CONFIRM", "url": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473)"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:00:52.170Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/dexterone/Vigor-poc"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.draytek.com/about/security-advisory"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-14993", "datePublished": "2020-06-23T11:50:58.000Z", "dateReserved": "2020-06-23T00:00:00.000Z", "dateUpdated": "2024-08-04T13:00:52.170Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "145682DB-5518-43FD-8419-E0232566F3C4", "versionEndExcluding": "1.5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:*", "matchCriteriaId": "DA5B988D-ED1A-4CBF-8B34-C5B03A55ED52", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2AD4768B-73CE-4185-B676-71E1791F8D47", "versionEndExcluding": "1.5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:*", "matchCriteriaId": "8FDA3905-67DD-4F31-AFCF-014F1D7CCC1F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C71C769-6CEB-4377-85FB-8719626D04B5", "versionEndExcluding": "1.5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*", "matchCriteriaId": "FEECFBBC-5551-4135-9194-4216A39B04B9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi."}, {"lang": "es", "value": "Un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en los dispositivos DrayTek Vigor2960, Vigor3900 y Vigor300B versiones anteriores a 1.5.1.1, permite a atacantes remotos ejecutar c\u00f3digo arbitrario por medio del par\u00e1metro formuserphonenumber en una acci\u00f3n authusersms en archivo mainfunction.cgi"}], "id": "CVE-2020-14993", "lastModified": "2026-06-17T02:55:53.147", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "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": "2020-06-23T12:15:13.503", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/dexterone/Vigor-poc"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.draytek.com/about/security-advisory"}, {"source": "cve@mitre.org", "url": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/dexterone/Vigor-poc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.draytek.com/about/security-advisory"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}