CVE-2018-2021

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-17 · updated 2026-06-17
Weakness: CWE-79

Description

IBM QRadar SIEM 7.2 and 7.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 155345.

Affected products

IBM QRadar SIEM: from 7.2.0 before 7.2.8; from 7.3.0 through 7.3.2; 7.2.8, 7.2.8-p1, 7.2.8-p10, 7.2.8-p11, 7.2.8-p12, 7.2.8-p13 (+10) — fixed in 7.2.8

How to fix

Upgrade to a fixed version: IBM QRadar SIEM 7.2.8. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/155345
https://www.ibm.com/support/docview.wss?uid=ibm10888117
https://exchange.xforce.ibmcloud.com/vulnerabilities/155345
https://www.ibm.com/support/docview.wss?uid=ibm10888117

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