What is CVE-2020-4167?

CVE-2020-4167 is a medium-severity vulnerability in IBM Security Guardium Insights, classified under Improper Authentication. CVSS score: 6.5/10. Published 2020-08-27.

How severe is CVE-2020-4167?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in IBM Security Guardium Insights

CVE-2020-4167

IBM Security Guardium Insights 2.0.1 could allow an attacker to obtain sensitive information or perform unauthorized actions due to improper authenciation mechanisms. IBM X-Force ID: 174403.

Vulnerability class: Broken Authentication

Published 2020-08-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

IBM Security Guardium Insights — versions 2.0.1
IBM Security Guardium Insights — versions 2.0.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.ibm.com/support/pages/node/6323297 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/174403 (VDB Entry, vdb-entry)

Frequently asked questions

What is CVE-2020-4167?: CVE-2020-4167 is a medium-severity vulnerability in IBM Security Guardium Insights, classified under Improper Authentication. CVSS score: 6.5/10. Published 2020-08-27.
How severe is CVE-2020-4167?: Medium severity. CVSS v3 base score is 6.5 out of 10.