What is CVE-2020-4193?

CVE-2020-4193 is a critical-severity vulnerability in IBM Security Guardium, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2020-06-04.

How severe is CVE-2020-4193?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in IBM Security Guardium

CVE-2020-4193

IBM Security Guardium 11.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 174857.

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

IBM Security Guardium — versions 11.1
IBM Security Guardium — versions 11.1

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

www.ibm.com/support/pages/node/6220132 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/174857 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4193?: CVE-2020-4193 is a critical-severity vulnerability in IBM Security Guardium, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2020-06-04.
How severe is CVE-2020-4193?: Critical severity. CVSS v3 base score is 9.8 out of 10.