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CRITICAL · 9.1

CVE-2021-20399

IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability...

Vulnerability Description

IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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. IBM X-Force ID: 196073.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IbmQradar Security Information And Event Manager>= 7.3.0, < 7.3.3
LinuxLinux Kernel-

Related Weaknesses (CWE)

CWE-611

References

FAQ

What is CVE-2021-20399?

CVE-2021-20399 is a vulnerability with a CVSS score of 9.1 (CRITICAL). IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability...

How severe is CVE-2021-20399?

CVE-2021-20399 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20399?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Qradar Security Information And Event Manager, Linux Linux Kernel.