Denial of Service Vulnerability in IBM Db2 for Linux, UNIX and Windows
CVE-2025-1000

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Db2 For Linux, Unix And Windows
Vendor
CVE Published:
5 May 2025

What is CVE-2025-1000?

A significant vulnerability exists in IBM Db2 for Linux, UNIX and Windows where authenticated users could exploit improper handling during automatic client rerouting. This flaw can lead to a denial of service when individuals attempt to connect to a z/OS database, impacting the overall performance and availability of the database system. Organizations using affected versions are urged to review security advisories and apply necessary mitigations.

Affected Version(s)

Db2 for Linux, UNIX and Windows 11.5.0 <= 11.5.9

Db2 for Linux, UNIX and Windows 12.1.0 <= 12.1.1

References

https://www.ibm.com/support/pages/node/7232528
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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