What is CVE-2019-4594?

CVE-2019-4594 is a medium-severity vulnerability in IBM Qradar, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2020-04-15.

How severe is CVE-2019-4594?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in IBM Qradar

CVE-2019-4594

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-ForceID: 167810.

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

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

IBM Qradar — versions 7.3.3.Patch1, 7.3.0
IBM Qradar Security Information And Event Manager — versions 7.3.3
Linux Kernel

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

www.ibm.com/support/pages/node/6189735 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/167810 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4594?: CVE-2019-4594 is a medium-severity vulnerability in IBM Qradar, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2020-04-15.
How severe is CVE-2019-4594?: Medium severity. CVSS v3 base score is 5.9 out of 10.