What is CVE-2019-4557?

CVE-2019-4557 is a high-severity vulnerability in IBM Qradar Advisor, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2020-02-25.

How severe is CVE-2019-4557?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Qradar Advisor

CVE-2019-4557

IBM Qradar Advisor 1.1 through 2.5 with Watson uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 166206.

Published 2020-02-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% 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 Advisor — versions 1.1, 2.5
IBM Qradar Advisor

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

www.ibm.com/support/pages/node/3379947 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/166206 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4557?: CVE-2019-4557 is a high-severity vulnerability in IBM Qradar Advisor, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2020-02-25.
How severe is CVE-2019-4557?: High severity. CVSS v3 base score is 7.5 out of 10.