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CVE-2025-1000 Details

Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when connecting to a z/OS database due to improper handling of automatic client rerouting.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.netapp.com/advisory/ntap-20250516-0002/	CVE
https://www.ibm.com/support/pages/node/7232528	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]

Affected Products

Product	Versions
ibm db2	>= 11.5, <= 11.5.9 >= 12.1.0, <= 12.1.1
CPE cpe:2.3:a:ibm:db2::::::linux::* cpe:2.3:a:ibm:db2::::::unix::* cpe:2.3:a:ibm:db2::::::windows::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 3, 2025	CVE Modified	CVE
May 13, 2025	Initial Analysis	[email protected]
May 5, 2025	New CVE Received	[email protected]