CVE-2019-11777
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductEclipse Paho Java Client
PublishedSep 11, 2019
First seenSep 11, 2019
Weakness typeCWE-346CWE-346
How to fix
Update
- org.eclipse.paho:org.eclipse.paho.client.mqttv31.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| eclipse paho_java_client | 1.2.0 | — |
| org.eclipse.paho:org.eclipse.paho.client.mqttv3Maven | v < 1.2.1 | 1.2.1 |
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