CVE Vulnerabilities

CVE-2021-20399

Improper Restriction of XML External Entity Reference

Published: Jul 27, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Software

Name Vendor Start Version End Version
Qradar_security_information_and_event_manager Ibm 7.3.0 (including) 7.3.3 (excluding)
Qradar_security_information_and_event_manager Ibm 7.4.0 (including) 7.4.3 (excluding)
Qradar_security_information_and_event_manager Ibm 7.3.3 (including) 7.3.3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p1 (including) 7.3.3-p1 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p2 (including) 7.3.3-p2 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p3 (including) 7.3.3-p3 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p4 (including) 7.3.3-p4 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p5 (including) 7.3.3-p5 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p6 (including) 7.3.3-p6 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p7 (including) 7.3.3-p7 (including)
Qradar_security_information_and_event_manager Ibm 7.3.3-p8 (including) 7.3.3-p8 (including)
Qradar_security_information_and_event_manager Ibm 7.4.3 (including) 7.4.3 (including)
Qradar_security_information_and_event_manager Ibm 7.4.3-fix_pack_1 (including) 7.4.3-fix_pack_1 (including)
Qradar_security_information_and_event_manager Ibm 7.4.3-fix_pack_2 (including) 7.4.3-fix_pack_2 (including)
Qradar_security_information_and_event_manager Ibm 7.4.3-fix_pack_3 (including) 7.4.3-fix_pack_3 (including)

Potential Mitigations

References