{"id":"GHSA-63qc-p2x4-9fgf","summary":"Improper Handling of Exceptional Conditions and Origin Validation Error in Eclipse Paho Java client library","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.","aliases":["CVE-2019-11777"],"modified":"2023-11-08T04:01:01.949579Z","published":"2019-09-17T22:47:11Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2019-09-13T21:47:04Z","nvd_published_at":"2019-09-11T18:15:00Z","cwe_ids":["CWE-346","CWE-755"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11777"},{"type":"WEB","url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934"}],"affected":[{"package":{"name":"org.eclipse.paho:org.eclipse.paho.client.mqttv3","ecosystem":"Maven","purl":"pkg:maven/org.eclipse.paho/org.eclipse.paho.client.mqttv3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1"}]}],"versions":["1.0.2","1.1.0","1.1.1","1.2.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/09/GHSA-63qc-p2x4-9fgf/GHSA-63qc-p2x4-9fgf.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}