SB2025091753 - IBM App Connect Enterprise Toolkit and Intregation Bus for z/OS Toolkit update for Eclipse Paho Java
Published: September 17, 2025
Security Bulletin ID
SB2025091753
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Origin validation error (CVE-ID: CVE-2019-11777)
CWE-ID: CWE-346 - Origin Validation Error
CVSSv4: 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
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 update from vendor's website.