CVE-2020-3924

{"containers": {"cna": {"affected": [{"platforms": ["TAT-76 series"], "product": "DVR", "vendor": "TONNET", "versions": [{"lessThanOrEqual": "20191216", "status": "affected", "version": "0", "versionType": "custom"}]}, {"platforms": ["TAT-77 series"], "product": "DVR", "vendor": "TONNET", "versions": [{"lessThanOrEqual": "20200213", "status": "affected", "version": "0", "versionType": "custom"}]}], "datePublic": "2020-02-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Firmware Injection", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-02-27T04:00:32.000Z", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"}, {"tags": ["x_refsource_MISC"], "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"}], "solutions": [{"lang": "en", "value": "Update to ver. 20191216 in TAT-76 series\nUpdate to ver. 20200213 in TAT-77 series"}], "source": {"discovery": "UNKNOWN"}, "title": "TONNET DVR \u2013 Firmware Injection", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2020-02-21T08:00:00.000Z", "ID": "CVE-2020-3924", "STATE": "PUBLIC", "TITLE": "TONNET DVR \u2013 Firmware Injection"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "DVR", "version": {"version_data": [{"platform": "TAT-76 series", "version_affected": "<=", "version_name": "0", "version_value": "20191216"}, {"platform": "TAT-77 series", "version_affected": "<=", "version_name": "0", "version_value": "20200213"}]}}]}, "vendor_name": "TONNET"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Firmware Injection"}]}]}, "references": {"reference_data": [{"name": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf", "refsource": "MISC", "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"}, {"name": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004", "refsource": "MISC", "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"}]}, "solution": [{"lang": "en", "value": "Update to ver. 20191216 in TAT-76 series\nUpdate to ver. 20200213 in TAT-77 series"}], "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.471Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2020-3924", "datePublished": "2020-02-27T04:00:32.289Z", "dateReserved": "2019-12-20T00:00:00.000Z", "dateUpdated": "2024-09-16T17:14:12.393Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"platforms": ["TAT-76 series"], "product": "DVR", "vendor": "TONNET", "versions": [{"lessThanOrEqual": "20191216", "status": "affected", "version": "0", "versionType": "custom"}]}, {"platforms": ["TAT-77 series"], "product": "DVR", "vendor": "TONNET", "versions": [{"lessThanOrEqual": "20200213", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "twcert@cert.org.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-77104g1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8E7B343-EFC3-4517-A6E6-15BD2A934232", "versionEndIncluding": "tat-77104g1_20190107", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-77104g1:-:*:*:*:*:*:*:*", "matchCriteriaId": "241B2620-7E8D-4084-BC76-930BA8D34757", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-70432n_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB8C435E-DF83-4F09-AC8D-5EFB41D21662", "versionEndIncluding": "tat-77208g1_20181225", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-70432n:-:*:*:*:*:*:*:*", "matchCriteriaId": "39B0C7D2-4719-4D4A-BAAC-00D0B4877DC7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-71416g1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "95377179-581F-4F72-83BC-B136BBD2C41F", "versionEndIncluding": "tat-71416g1_20181225", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-71416g1:-:*:*:*:*:*:*:*", "matchCriteriaId": "1DA39250-CDA5-4457-8477-0A503BCD9718", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-71832g1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C8CFCBC-7E99-41C5-81B3-6957B2B91223", "versionEndIncluding": "tat-71832g1_20190510", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-71832g1:-:*:*:*:*:*:*:*", "matchCriteriaId": "CEAC4B5F-BDE4-464B-A0C6-E8805A20D33E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-76104g3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "716D1F9D-DCE4-4683-9E0D-929706E7AD1E", "versionEndIncluding": "20181220_76104g3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-76104g3:-:*:*:*:*:*:*:*", "matchCriteriaId": "F4E65CAD-2851-4A91-8263-43287DD9FF84", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-76108g3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "86109F98-ACA7-47AF-87E9-212802BD3D4B", "versionEndIncluding": "20181221_76208g3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-76108g3:-:*:*:*:*:*:*:*", "matchCriteriaId": "543032E1-AC31-44FB-AE0F-583C2E34D4F6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-76116g3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED374327-CC36-4889-A5DA-B7D23FD870B6", "versionEndIncluding": "20181221_76216g3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-76116g3:-:*:*:*:*:*:*:*", "matchCriteriaId": "906FA949-47AF-4C98-9469-C39892DB0B70", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tonnet:tat-76132g3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "54396F2C-697A-4523-B9A2-D31C8B3CB432", "versionEndIncluding": "tat-70832g3_20181221-1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tonnet:tat-76132g3:-:*:*:*:*:*:*:*", "matchCriteriaId": "63417A1A-E7E7-4E6A-A09B-B539F51BCCC0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system."}, {"lang": "es", "value": "El firmware DVR en las series de productos TAT-76 y TAT-77, proporcionados por TONNET, no verifica apropiadamente los archivos de parche. Los atacantes pueden inyectar un comando espec\u00edfico en un archivo de parche y conseguir acceso al sistema."}], "id": "CVE-2020-3924", "lastModified": "2026-06-17T03:19:16.317", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "twcert@cert.org.tw", "type": "Secondary"}, {"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": "2020-02-27T04:15:10.670", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"}, {"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910004"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}