CVE-2025-1000

MEDIUM

IBM Db2 11.5.0-11.5.9 and 12.1.0-12.1.1 - Authenticated Denial of Service via Automatic Client Rerouting

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7232528

Scores

CVSS v3 5.3
EPSS 0.0016
EPSS Percentile 36.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
ibm/db2 11.5 - 11.5.9 (3 CPE variants)
Published May 05, 2025
Tracked Since Feb 18, 2026