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Security Bulletin: IBM QRadar SIEM is vulnerable to an XML External Entity Injection (XXE) attack (CVE-2021-20399)

Security Bulletin


Summary

IBM QRadar SIEM is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data.

Vulnerability Details

CVEID:   CVE-2021-20399
DESCRIPTION:   IBM QRadar is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196073 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

IBM QRadar SIEM 7.3.0 to 7.3.3 Patch 8

IBM QRadar SIEM 7.4.0 to 7.4.3 GA



Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

John Zuccato, Rodney Ryan, Chris Shepherd, Vince Dragnea, Troy Fisher, Nathan Roane, Elaheh Samani and Gabor Minyo from IBM X-Force Ethical Hacking Team

Change History

21 Jul 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.

Disclaimer

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

Worldwide

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.3, 7.4","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
26 July 2021

UID

ibm16475263