IBM QRadar SIEM 7.3 and 7.4 may vulnerable to a XML External Entity Injection (XXE) attack when processing XML data.

published 2021-05-05 5y ago modified 2026-06-17 4mo ago also EUVD-2020-26260

cvss: 7.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

IBM QRadar SIEM 7.3 and 7.4 may vulnerable to a 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: 193245.

Patch / fix

fixed in 1

ibm qradar_security_information_and_event_manager 7.3.3, 7.4.2

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Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.1	CVSS:3.0/AV:N/C:H/PR:L/UI:N/AC:L/A:L/I:N/S:U/RC:C/RL:O/E:U
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CNA	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:P/I:N/A:P

Affected products

IBM QRadar SIEM

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

ibm.com /support/pages/node/6449690
vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/193245
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-5013
NVD CVE-2020-5013

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