CVE-2016-5900 IBM CVE debrief

Who should care

Organizations running IBM Tealeaf Customer Experience on Cloud Network Capture Add-On, especially version 16.1.01 listed by NVD as vulnerable, should review their exposure and update or apply IBM guidance as applicable. Security teams responsible for TLS trust validation, network monitoring, and vendor patch management should prioritize it.

Technical summary

NVD maps the vulnerability to CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). The issue is network-reachable, requires no privileges or user interaction, and affects confidentiality only. The core failure is improper TLS certificate validation, which can allow interception of sensitive data in transit if an attacker can position themselves for a man-in-the-middle attack. NVD lists cpe:2.3:a:ibm:tealeaf_customer_experience_on_cloud_network_capture_add-on:16.1.01 as vulnerable and cites an IBM PSIRT advisory as the mitigation/vendor reference.

Defensive priority

Medium. The vulnerability is remotely reachable and can expose sensitive information, but NVD assigns high attack complexity and no direct integrity or availability impact.

Recommended defensive actions

• Review IBM PSIRT guidance for CVE-2016-5900 and apply any available patch or mitigation from the vendor advisory.
• Verify whether IBM Tealeaf Customer Experience on Cloud Network Capture Add-On version 16.1.01 is deployed in your environment and treat it as vulnerable per NVD.
• Audit TLS certificate validation behavior in affected components and confirm that certificate trust checks are enforced correctly.
• If immediate remediation is not possible, reduce exposure by restricting network paths to the affected component and monitoring for anomalous man-in-the-middle indicators on relevant connections.
• Track this issue in vulnerability management workflows as a confidentiality-impacting remote flaw with no user interaction required.

Evidence notes

All substantive claims are drawn from NVD and the cited IBM vendor advisory reference in the supplied corpus. NVD states the vulnerability is caused by failure to properly validate the TLS certificate, enabling man-in-the-middle disclosure of sensitive information. NVD also lists CWE-200, the CVSS 3.0 vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N, and vulnerable CPE 16.1.01. The IBM advisory URL is included as a mitigation/vendor reference, but its contents were not otherwise ingested here.

Official resources