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01 Record

CVE-2023-40687

IBM Db2 denial of service

MediumPUBLISHEDCNA: ibm
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

IBM Db2 denial of service

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.05% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 64.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-12-04 01:10Z2 YR AGO
Last updated
2025-02-13 17:08Z1 YR AGO
Reserved
2023-08-18
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
3c74032032a4282b1d3be1e34e2d53e4e0c664d969e41b38944ded001a075938

05 Affected products

VendorProductVersionsPlatforms
IBMDb2 for Linux, UNIX and Windows10.5, 11.1, 11.5—

06 References