CVE-2021-20399
Last modified
CVE-2021-20399 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 1.79% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Qradar Security Information And Event Manager | >= 7.3.0, < 7.3.3 |
| Ibm | Qradar Security Information And Event Manager | >= 7.4.0, < 7.4.3 |
| Ibm | Qradar Security Information And Event Manager | 7.3.3 |
| Ibm | Qradar Security Information And Event Manager | 7.4.3 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196073VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6475263Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196073VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6475263Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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