What is CVE-2021-20389?

CVE-2021-20389 is a high-severity vulnerability in IBM Security Guardium, classified under Insufficiently Protected Credentials. CVSS score: 7.8/10. Published 2021-05-24.

How severe is CVE-2021-20389?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Security Guardium

CVE-2021-20389

IBM Security Guardium 11.2 stores user credentials in plain clear text which can be read by a local user. IBM X-Force ID: 195770.

Published 2021-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM Security Guardium — versions 11.2
IBM Security Guardium — versions 11.2
Linux Kernel

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

www.ibm.com/support/pages/node/6455281 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/195770 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20389?: CVE-2021-20389 is a high-severity vulnerability in IBM Security Guardium, classified under Insufficiently Protected Credentials. CVSS score: 7.8/10. Published 2021-05-24.
How severe is CVE-2021-20389?: High severity. CVSS v3 base score is 7.8 out of 10.