CVE-2012-2191: IBM Global Security Kit

Medium severity, CVSS 5.0. EPSS: 3.9% chance of exploitation in the next 30 days.

IBM Global Security Kit (aka GSKit) before 8.0.14.22, as used in IBM Rational Directory Server, IBM Tivoli Directory Server, and other products, does not properly validate data during execution of a protection mechanism against the Vaudenay SSL CBC timing attack, which allows remote attackers to cause a denial of service (application crash) via crafted values in the TLS Record Layer, a different vulnerability than CVE-2012-2333.

Affected products

• IBM Global Security Kit: up to and including 8.0.13; version 7.0.4.28 only; version 7.0.4.29 only
• IBM Rational Directory Server: any version
• IBM Tivoli Directory Server: any version

Published 2012-08-08. Last modified 2026-06-16.