What is CVE-2019-4654?

CVE-2019-4654 is a medium-severity vulnerability in IBM Qradar, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-04-15.

How severe is CVE-2019-4654?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in IBM Qradar

CVE-2019-4654

IBM QRadar 7.3.0 to 7.3.3 Patch 2 does not validate, or incorrectly validates, a certificate which could allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack. IBM X-ForceID: 170965.

Vulnerability class: Improper Certificate Validation

Published 2020-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.2th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

IBM Qradar — versions 7.3.3.Patch2, 7.3.0
IBM Qradar Security Information And Event Manager — versions 7.3.3
Linux Kernel

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.ibm.com/support/pages/node/6189723 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/170965 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4654?: CVE-2019-4654 is a medium-severity vulnerability in IBM Qradar, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-04-15.
How severe is CVE-2019-4654?: Medium severity. CVSS v3 base score is 4.8 out of 10.