CVE-2019-4102: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.0 uses weaker tha...

Security readout for executives and security teams

This CVE concerns IBM DB2 using weaker cryptography than expected, creating a risk that an attacker could decrypt highly sensitive information. The public record rates it medium because exploitation requires high complexity, but the confidentiality impact is high if a vulnerable DB2 environment protects sensitive data. Exposure is likely limited to organizations running affected IBM DB2 LUW or DB2 Connect Server releases listed in the sources: 9.7, 10.1, 10.5, and 11.x entries. Risk is higher where DB2 stores sensitive or regulated data and is network reachable. Schedule remediation in the next normal security maintenance cycle, faster for internet-reachable or sensitive-data DB2 systems. This is not evidenced as actively exploited, but the potential confidentiality loss justifies clear ownership and tracking. Mitigation focus: Review IBM advisory 10880743 for the applicable fix or vendor guidance.; Prioritize remediation for DB2 systems storing sensitive or regulated data.; Restrict DB2 network exposure to trusted application and administration paths..

Prepared

May 25, 2026, 05:25 UTC (UTC+00:00)

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