Origin validation error in paho.mqtt.java - CVE-2019-11777
Published: July 14, 2023
Vulnerability identifier: #VU78253
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11777
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
paho.mqtt.java
paho.mqtt.java
Software vendor:
Eclipse
Eclipse
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. A remote attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install updates from vendor's website.