CVE-2023-47145: IBM Db2 for Windows privilege escalation

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-07 · updated 2026-06-17
Weakness: CWE-269

Description

IBM Db2 for Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 could allow a local user to escalate their privileges to the SYSTEM user using the MSI repair functionality. IBM X-Force ID: 270402.

Affected products

IBM Db2 for Linux, UNIX and Windows: from 10.5 before 10.5.0.11; from 11.1 before 11.1.4.7; from 11.5 before 11.5.8 — fixed in 10.5.0.11, 11.1.4.7, 11.5.8

How to fix

Upgrade to a fixed version: IBM Db2 for Linux, UNIX and Windows 10.5.0.11, 11.1.4.7, 11.5.8. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/270402
https://security.netapp.com/advisory/ntap-20240307-0003/
https://www.ibm.com/support/pages/node/7105500
https://exchange.xforce.ibmcloud.com/vulnerabilities/270402
https://security.netapp.com/advisory/ntap-20240307-0003/
https://www.ibm.com/support/pages/node/7105500

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