CVE-2021-20397: XSS

Published Apr 29, 2021
·
Updated

IBM QRadar 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.

Other sources

IBM QRadar SIEM 7.3 and 7.4 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: 196017.

Affected Software

13 affected components
IBM QRadar Security Information and Event Manager>=7.3.0<7.3.3
IBM QRadar Security Information and Event Manager>=7.4.0<7.4.2
IBM QRadar Security Information and Event Manager=7.3.3
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_1
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_2
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_3
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_4
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_5
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_6
IBM QRadar Security Information and Event Manager=7.3.3-fix_pack_7
IBM QRadar Security Information and Event Manager=7.4.2
IBM QRadar Security Information and Event Manager=7.4.2-fix_pack_1
IBM QRadar Security Information and Event Manager=7.4.2-fix_pack_2

Event History

Apr 29, 2021
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionSeverityAffected Software
May 5, 2021
CVE Published
via MITRE·03:45 PM
Data Sourced
via MITRE·03:45 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-20397?

CVE-2021-20397 refers to a vulnerability in IBM QRadar SIEM 7.3 and 7.4 that allows for cross-site scripting.

2

How does CVE-2021-20397 affect IBM QRadar SIEM?

CVE-2021-20397 allows users to embed arbitrary JavaScript code in the Web UI of IBM QRadar SIEM, potentially leading to credentials disclosure within a trusted session.

3

What is the severity of CVE-2021-20397?

The severity of CVE-2021-20397 is rated as medium.

4

Which versions of IBM QRadar SIEM are affected by CVE-2021-20397?

IBM QRadar SIEM versions 7.3.0 to 7.3.3 and versions 7.4.0 to 7.4.2 are affected by CVE-2021-20397.

5

How can I fix CVE-2021-20397 in IBM QRadar SIEM?

To fix CVE-2021-20397 in IBM QRadar SIEM, update to the recommended fix pack versions: 7.3.3-fix_pack_7 for 7.3.0 to 7.3.3, and 7.4.2-fix_pack_2 for 7.4.0 to 7.4.2.

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