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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-13427 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.
Fixes

Solution

Customers running any vulnerable affected level of an affected Program, V11.5 and V12.1 can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent affected level for each impacted release: V11.5.9 and V12.1.1. They can be applied to any affected level of the appropriate release to remediate this vulnerability.


Workaround

No workaround given by the vendor.

History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00054}

epss

{'score': 0.00062}


Tue, 13 May 2025 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*

Tue, 06 May 2025 03:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 May 2025 21:15:00 +0000

Type Values Removed Values Added
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.
Title IBM Db2 denial of service
First Time appeared Ibm
Ibm db2
Weaknesses CWE-770
CPEs cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:zos:*:*
Vendors & Products Ibm
Ibm db2
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2025-08-28T14:27:44.782Z

Reserved: 2025-02-03T18:09:41.315Z

Link: CVE-2025-1000

cve-icon Vulnrichment

Updated: 2025-05-06T02:54:24.134Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-05T21:15:47.120

Modified: 2025-05-13T19:42:48.870

Link: CVE-2025-1000

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.