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HIGH · 7.5

CVE-2019-11777

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 on...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
EclipsePaho Java Client1.2.0

Related Weaknesses (CWE)

CWE-346CWE-755

References

FAQ

What is CVE-2019-11777?

CVE-2019-11777 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 on...

How severe is CVE-2019-11777?

CVE-2019-11777 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-11777?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Paho Java Client.