What is CVE-2021-20396?

CVE-2021-20396 is a low-severity vulnerability in IBM Qradar Analyst Workflow, classified under CWE-922. CVSS score: 3.3/10. Published 2021-06-11.

How severe is CVE-2021-20396?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in IBM Qradar Analyst Workflow

CVE-2021-20396

IBM QRadar Analyst Workflow App 1.0 through 1.18.0 for IBM QRadar SIEM allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 196009.

Published 2021-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM Qradar Analyst Workflow — versions 1.0, 1.18.0
IBM Security Qradar Analyst Workflow

Weakness classification (CWE)

CWE-922

References

www.ibm.com/support/pages/node/6462585 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/196009 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20396?: CVE-2021-20396 is a low-severity vulnerability in IBM Qradar Analyst Workflow, classified under CWE-922. CVSS score: 3.3/10. Published 2021-06-11.
How severe is CVE-2021-20396?: Low severity. CVSS v3 base score is 3.3 out of 10.