CVE-2016-5933: IBM Tivoli Monitoring 6.2 and 6.3 is vulnerable to possible host header injection attack that could lead to...

Security readout for executives and security teams

IBM Tivoli Monitoring V6 6.2 and 6.3 may trust a user-controlled Host header in ways that could support HTTP cache poisoning or firewall bypass. The public bundle does not provide severity scoring, confirmed exploitation, or detailed remediation content. Exposure is most likely where affected IBM Tivoli Monitoring web components are reachable through browsers, reverse proxies, caches, or firewall rules that rely on Host header behavior. Organizations not running IBM Tivoli Monitoring V6 6.2.x or 6.3.x are not indicated as affected by this bundle. Set priority after confirming whether affected Tivoli Monitoring systems are reachable beyond trusted administrators. Because severity and exploitation evidence are absent, this is not automatically a crisis, but firewall bypass and cache poisoning impacts justify timely inventory and vendor-guidance review. Mitigation focus: Inventory IBM Tivoli Monitoring V6 deployments and identify affected 6.2.x or 6.3.x versions.; Review IBM Reference 1997223 for official remediation or configuration guidance.; Restrict access to affected monitoring interfaces to trusted administrative networks while assessing exposure..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.