XXE in IBM Qradar Security Information And Event Manager
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 to expose sensitive information or consume memory resources. IBM X-Force ID: 196073.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.018 (76.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Ibm Qradar_security_information_and_event_manager — versions 7.3.3, 7.4.3
- Ibm Qradar Siem — versions 7.3.0, 7.4.0, 7.4.3
- Linux Linux_kernel
Weakness classification (CWE)
References
- psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)
Frequently asked questions
- What is CVE-2021-20399?
- CVE-2021-20399 is a critical-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2021-07-27.
- How severe is CVE-2021-20399?
- Critical severity. CVSS v3 base score is 9.1 out of 10.