High severity7.5NVD Advisory· Published Sep 11, 2019· Updated Jun 17, 2026
CVE-2019-11777
CVE-2019-11777
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.eclipse.paho:org.eclipse.paho.client.mqttv3Maven | < 1.2.1 | 1.2.1 |
Affected products
3- cpe:2.3:a:eclipse:paho_java_client:1.2.0:*:*:*:*:*:*:*
- The Eclipse Foundation/Eclipse Pahov5Range: 1.2.0
Patches
Vulnerability mechanics
References
3- bugs.eclipse.org/bugs/show_bug.cginvdIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-63qc-p2x4-9fgfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-11777ghsaADVISORY
News mentions
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