CVE-2021-27657

{"containers": {"cna": {"affected": [{"product": "Metasys", "vendor": "Johnson Controls", "versions": [{"lessThanOrEqual": "11.0", "status": "affected", "version": "11.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Jakub Palaczynski"}], "datePublic": "2021-06-04T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-23T10:45:14.000Z", "orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "shortName": "jci"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"}, {"name": "ICS-CERT Advisory", "tags": ["third-party-advisory", "x_refsource_CERT"], "url": "https://us-cert.gov/ics/advisories"}, {"name": "ICS-CERT Advisory", "tags": ["third-party-advisory", "x_refsource_CERT"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"}], "solutions": [{"lang": "en", "value": "For Metasys versions previous to 9.0: Upgrade to a supported release. This is true for all the items except for Metasys Release 8.1 UL/cUL 864 UUKL 10th Edition Smoke Control."}, {"lang": "en", "value": "For Metasys versions 9.0 (engine only), 10.0, 10.1, 11.0: Install patch."}], "source": {"discovery": "EXTERNAL"}, "title": "Metasys Improper Privilege Management", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "productsecurity@jci.com", "DATE_PUBLIC": "2021-06-04T05:01:00.000Z", "ID": "CVE-2021-27657", "STATE": "PUBLIC", "TITLE": "Metasys Improper Privilege Management"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Metasys", "version": {"version_data": [{"version_affected": "<=", "version_name": "11.0", "version_value": "11.0"}]}}]}, "vendor_name": "Johnson Controls"}]}}, "credit": [{"lang": "eng", "value": "Jakub Palaczynski"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-269 Improper Privilege Management"}]}]}, "references": {"reference_data": [{"name": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories", "refsource": "CONFIRM", "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"}, {"name": "ICS-CERT Advisory", "refsource": "CERT", "url": "https://us-cert.gov/ics/advisories"}, {"name": "ICS-CERT Advisory", "refsource": "CERT", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"}]}, "solution": [{"lang": "en", "value": "For Metasys versions previous to 9.0: Upgrade to a supported release. This is true for all the items except for Metasys Release 8.1 UL/cUL 864 UUKL 10th Edition Smoke Control."}, {"lang": "en", "value": "For Metasys versions 9.0 (engine only), 10.0, 10.1, 11.0: Install patch."}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:26:10.694Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"}, {"name": "ICS-CERT Advisory", "tags": ["third-party-advisory", "x_refsource_CERT", "x_transferred"], "url": "https://us-cert.gov/ics/advisories"}, {"name": "ICS-CERT Advisory", "tags": ["third-party-advisory", "x_refsource_CERT", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"}]}]}, "cveMetadata": {"assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "assignerShortName": "jci", "cveId": "CVE-2021-27657", "datePublished": "2021-06-04T14:07:39.073Z", "dateReserved": "2021-02-24T00:00:00.000Z", "dateUpdated": "2024-09-17T00:51:44.651Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Metasys", "vendor": "Johnson Controls", "versions": [{"lessThanOrEqual": "11.0", "status": "affected", "version": "11.0", "versionType": "custom"}]}], "source": "productsecurity@jci.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:johnsoncontrols:metasys:*:*:*:*:*:*:*:*", "matchCriteriaId": "D5F7AFA8-0BE3-4B4E-BECA-7A51700003CD", "versionEndIncluding": "11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions."}, {"lang": "es", "value": "Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad podr\u00eda otorgar a un usuario autenticado de Metasys un nivel de acceso no intencionado al sistema de archivos del servidor, permiti\u00e9ndole acceder o modificar los archivos del sistema mediante el env\u00edo de mensajes web espec\u00edficamente dise\u00f1ados para el sistema Metasys. Este problema afecta: Johnson Controls Metasys versiones 11.0 y versiones anteriores"}], "id": "CVE-2021-27657", "lastModified": "2026-06-17T03:45:18.450", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "productsecurity@jci.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-04T15:15:07.517", "references": [{"source": "productsecurity@jci.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"}, {"source": "productsecurity@jci.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.gov/ics/advisories"}, {"source": "productsecurity@jci.com", "tags": ["Vendor Advisory"], "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.gov/ics/advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"}], "sourceIdentifier": "productsecurity@jci.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "productsecurity@jci.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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