What is CVE-2020-4921?

CVE-2020-4921 is a high-severity vulnerability in IBM Security Guardium, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-01-20.

How severe is CVE-2020-4921?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in IBM Security Guardium

CVE-2020-4921

IBM Security Guardium 10.6 and 11.2 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 191398.

Vulnerability class: SQL Injection

Published 2021-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

IBM Security Guardium — versions 10.6, 11.2
IBM Security Guardium — versions 10.6, 11.2
Linux Kernel

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.ibm.com/support/pages/node/6405952 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/191398 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4921?: CVE-2020-4921 is a high-severity vulnerability in IBM Security Guardium, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-01-20.
How severe is CVE-2020-4921?: High severity. CVSS v3 base score is 8.8 out of 10.