CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 16, 2023
Updated: Dec 22, 2023


CVE-2023-30991 is a vulnerability that affects IBM Db2 for Linux, UNIX, and Windows versions 11.1 and 11.5, including Db2 Connect Server. This vulnerability allows for a denial of service attack through a specially crafted query. The base severity of this vulnerability is rated as HIGH with a CVSS score of 7.5. The exploitability score is 3.9, indicating a moderate level of difficulty in exploiting the vulnerability. The potential danger to organizations using these affected products is the risk of their systems being rendered unavailable due to the denial of service attack. To remediate this vulnerability, organizations should apply the necessary patches or updates provided by IBM to address the issue and ensure the security and availability of their Db2 instances.


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