CVE-2023-47747

IBM Db2 denial of service

MEDIUM
6.5
CVSS Score
Published: January 22, 2024 at 07:57 PM UTC
Updated: June 17, 2026 at 06:33 AM UTC
3 products affected across 1 vendorDB2AIXLinux On Ibm Z· also runs on 4 platforms

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.1, 10.5, and 11.1 could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query. IBM X-Force ID: 272646.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.5.0.0 ≤ v ≤ 10.5.0.1111.1.0.0 ≤ v ≤ 11.1.4.711.5 ≤ v ≤ 11.5.910.511.111.5
hp-hp-ux (environment) · ibm-aix (environment) · ibm-linux-on-ibm-z (environment) · linux-linux-kernel (environment) · microsoft-windows (environment) · oracle-solaris (environment)
AIX· IBMdevice
80%
All versions
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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