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Security Bulletin: Vulnerability in IBM Java Runtime affects IBM Spectrum Protect Snapshot on AIX and Linux (CVE-2020-27221)

Security Bulletin


Vulnerabilities in IBM® Runtime Environment Java™ were disclosed as part of the IBM Java SDK updates in January 2021. IBM® Runtime Environment Java™ is used by IBM Spectrum Protect Snapshot which may be affected by CVE-2020-27221 on AIX and Linux.

Vulnerability Details

CVEID:   CVE-2020-27221
DESCRIPTION:   Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Spectrum Protect Snapshot for Db2 on AIX and Linux8.1.0.0-
IBM Spectrum Protect Snapshot for Custom Applications on AIX and Linux8.1.0.0-
IBM Spectrum Protect Snapshot for Oracle on AIX and Linux
IBM Spectrum Protect Snapshot for Oracle with SAP on AIX and Linux


IBM Spectrum Protect Snapshot
First Fixing
VRM Level
PlatformLink to Fix

Workarounds and Mitigations


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Change History

23 April 2021: Initial Publication

*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":"BU010","label":"Systems - Storage"},"Product":{"code":"SSERFV","label":"IBM Spectrum Protect Snapshot"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"}],"Version":"8.1","Edition":""}]

Document Information

Modified date:
26 April 2021