CVE-2021-23843

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An attacker can circumvent this protection and make unauthorized changes to configuration data on the device. An attacker can exploit this vulnerability to manipulate the device\\'s configuration or make it unresponsive in the local network. The attacker needs to have access to the local network, typically even the same subnet."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "CWE-306 Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-19T20:38:55.000Z", "orgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c", "shortName": "bosch"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html"}], "source": {"advisory": "BOSCH-SA-940448-BT", "discovery": "EXTERNAL"}, "title": "Lack of authentication mechanisms on the device", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@bosch.com", "DATE_PUBLIC": "2022-01-19", "ID": "CVE-2021-23843", "STATE": "PUBLIC", "TITLE": "Lack of authentication mechanisms on the device"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "AMS", "version": {"version_data": [{"version_affected": "<", "version_value": "4.0"}]}}, {"product_name": "APE", "version": {"version_data": [{"version_affected": "<=", "version_value": "3.8.x"}]}}, {"product_name": "BIS", "version": {"version_data": [{"version_affected": "<", "version_value": "4.9.1"}]}}, {"product_name": "AMC2", "version": {"version_data": [{"version_affected": "=", "version_value": "all"}]}}]}, "vendor_name": "Bosch"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Bosch software tools AccessIPConfig.exe and AmcIpConfig.exe are used to configure certains settings in AMC2 devices. 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The attacker needs to have access to the local network, typically even the same subnet."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-306 Missing Authentication for Critical Function"}]}]}, "references": {"reference_data": [{"name": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html", "refsource": "CONFIRM", "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html"}]}, "source": {"advisory": "BOSCH-SA-940448-BT", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:09.225Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html"}]}]}, "cveMetadata": {"assignerOrgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c", "assignerShortName": "bosch", "cveId": "CVE-2021-23843", "datePublished": "2022-01-19T20:38:55.465Z", "dateReserved": "2021-01-12T00:00:00.000Z", "dateUpdated": "2024-09-16T23:01:30.470Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "AMS", "vendor": "Bosch", "versions": [{"lessThan": "4.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "APE", "vendor": "Bosch", "versions": [{"lessThanOrEqual": "3.8.x", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "BIS", "vendor": "Bosch", "versions": [{"lessThan": "4.9.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "AMC2", "vendor": "Bosch", "versions": [{"status": "affected", "version": "all"}]}], "source": "psirt@bosch.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:bosch:amc2_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A3032BCA-136A-470F-BD1D-A05FC5D22782", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:bosch:amc2:-:*:*:*:*:*:*:*", "matchCriteriaId": "B51541D3-C8B6-4C5E-AC77-70A3F3D7D315", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bosch:access_management_system:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "C98BA3F6-853A-42EA-B7B9-7163AE2A7E74", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bosch:access_professional_edition:*:*:*:*:*:*:*:*", "matchCriteriaId": "28B735B8-BBBB-43BD-A06C-3297E44DA485", "versionEndIncluding": "3.8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bosch:building_integration_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "95FDA5B3-E4CB-4285-B3E3-C54F3394E9B2", "versionEndExcluding": "4.9.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Bosch software tools AccessIPConfig.exe and AmcIpConfig.exe are used to configure certains settings in AMC2 devices. The tool allows putting a password protection on configured devices to restrict access to the configuration of an AMC2. An attacker can circumvent this protection and make unauthorized changes to configuration data on the device. An attacker can exploit this vulnerability to manipulate the device\\'s configuration or make it unresponsive in the local network. The attacker needs to have access to the local network, typically even the same subnet."}, {"lang": "es", "value": "Las herramientas de software de Bosch AccessIPConfig.exe y AmcIpConfig.exe son usadas para configurar determinados ajustes en los dispositivos AMC2. La herramienta permite poner una contrase\u00f1a de protecci\u00f3n en los dispositivos configurados para restringir el acceso a la configuraci\u00f3n de un AMC2. Un atacante puede burlar esta protecci\u00f3n y realizar cambios no autorizados en los datos de configuraci\u00f3n del dispositivo. Un atacante puede explotar esta vulnerabilidad para manipular la configuraci\u00f3n del dispositivo o hacer que no responda en la red local. El atacante necesita tener acceso a la red local, normalmente incluso a la misma subred"}], "id": "CVE-2021-23843", "lastModified": "2026-06-17T03:38:55.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@bosch.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-19T21:15:08.190", "references": [{"source": "psirt@bosch.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-940448-BT.html"}], "sourceIdentifier": "psirt@bosch.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "psirt@bosch.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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