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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM® Db2®. (January 2020 CPU)

Security Bulletin


There are multiple vulnerabilities in IBM® Runtime Environment Java™ Version and earlier, and earlier, and earlier used by IBM® Db2®. These issues were disclosed as part of the IBM Java SDK updates in Jan 2020.

Vulnerability Details

CVEID:   CVE-2020-2593
DESCRIPTION:   An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:   CVE-2020-2583
DESCRIPTION:   An unspecified vulnerability in Java SE related to the Java SE Serialization component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2019-4732
DESCRIPTION:   IBM SDK, Java Technology Edition Version through, through, and through could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially-crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 172618.
CVSS Base score: 7.2
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, V11.1 and V11.5 editions on all platforms are affected.


The recommended solution is to apply the appropriate fix for this vulnerability.

The fix for this vulnerability is in the latest version of IBM JDK. Customers running any vulnerable fixpack level of an affected Program, V10.1, V10.5, V11.1 or V11.5 can download the latest version of IBM JDK from Fix Central. At this point, a fix for V9.7 is not available.
  Affected IBM SDK, Java Technology Edition, Version:
  • and earlier
  • and earlier
  • and earlier
  • Earlier releases (6, 5.0, 1.4.2, 1.3.1, 1.2.2 etc.) may also be affected, but they are no longer supported.

Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology Edition:

HP is now shipping their JDK fixes twice a year, hence there is no fix available for HP-UX. The bulletin will be updated when it becomes available.

Refer to the table below to determine the IBM JDK level that contains the fix. Then follow the instructions below to perform the JDK installation.

Db2 Release Fixed IBM Release
V10.1.x or later
V10.5.x or later
V11.1.x or later
V11.5.x or later

Instructions for IBM JDK Installation can be found here:

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

10 Mar 2020: Initial Publication
10 Mar 2020: Corrected title of security bulletin to read "January 2020"

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location


[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Component":"","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF002","label":"AIX"},{"code":"PF033","label":"Windows"}],"Version":"9.7, 10.1, 10.5, 11.1, 11.5","Edition":""}]

Document Information

Modified date:
10 March 2020