CVE-2019-11777

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{"affected": [{"affectedData": [{"product": "Eclipse Paho", "vendor": "The Eclipse Foundation", "versions": [{"status": "affected", "version": "1.2.0"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:paho_java_client:1.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "8C88F9B1-025B-49C0-8ADB-8CD4C89CF7F1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information."}, {"lang": "es", "value": "En la biblioteca del cliente Eclipse Paho Java versi\u00f3n 1.2.0, cuando se conecta con un servidor MQTT usando TLS y configura un verificador de nombre de host, el resultado de esta verificaci\u00f3n no es comprobada. Esto podr\u00eda permitir a un servidor MQTT hacerse pasar por otro y proveer a la biblioteca del cliente con informaci\u00f3n incorrecta."}], "id": "CVE-2019-11777", "lastModified": "2026-06-17T02:13:37.433", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "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": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-11T18:15:10.757", "references": [{"source": "emo@eclipse.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-346"}, {"lang": "en", "value": "CWE-755"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:5568", "cpe": "cpe:/a:redhat:jboss_fuse:7", "package": "org.eclipse.paho.client.mqttv3", "product_name": "Red Hat Fuse 7.8.0", "release_date": "2020-12-16T00:00:00Z"}], "bugzilla": {"description": "org.eclipse.paho.client.mqttv3: Improper hostname validation in the MQTT library", "id": "1879743", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1879743"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-345", "details": ["In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information."], "name": "CVE-2019-11777", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Out of support scope", "package_name": "org.eclipse.paho.client.mqttv3", "product_name": "Red Hat JBoss Fuse 6"}], "public_date": "2019-09-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-11777\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11777"], "threat_severity": "Moderate"}

{}