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CVE-2020-4135 IBM DB2

Affected softwareIBM DB2
Severity7.5 High CVSS 3.1 3 scores
Published19 Feb 2020
Updated17 Jun 2026

Description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated user to send specially crafted packets to cause a denial of service from excessive memory usage.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 2.9% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

7.5 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD Primary published
CVSS 3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H psirt@us.ibm.com Secondary
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:N/I:N/A:P NVD Primary

Affected software and releases

Products and versions

2 products, 6 version entries
SourceVendorProductSchemeAffected versions
nvd ibm db2 generic 9.7 · 10.1 · 10.5 · 11.1 · 11.5
nvd netapp oncommand insight generic any version

References

URLTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/173806 VDB Entry, Vendor Advisory
https://security.netapp.com/advisory/ntap-20210108-0001/ Third Party Advisory
https://www.ibm.com/support/pages/node/2876307 Vendor Advisory

Timeline

Published2020-02-19By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.