What’s Vulnerable › Vulnerabilities

CVE-2020-4509

• Severity: high (CVSS 7.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-04 · updated 2026-06-17
• Weakness: CWE-611

Description

IBM QRadar SIEM 7.3 and 7.4 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: 182364.

Affected products

• IBM QRadar SIEM: 7.3.0, 7.4.0

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/182364
• https://www.ibm.com/support/pages/node/6220154
• https://exchange.xforce.ibmcloud.com/vulnerabilities/182364
• https://www.ibm.com/support/pages/node/6220154

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