What is CVE-2020-4688?

CVE-2020-4688 is a high-severity vulnerability in IBM Security Guardium, classified under Command Injection. CVSS score: 7.8/10. Published 2021-01-20.

How severe is CVE-2020-4688?

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

RCE in IBM Security Guardium

CVE-2020-4688

IBM Security Guardium 10.6 and 11.2 could allow a local attacker to execute arbitrary commands on the system as an unprivileged user, caused by command injection vulnerability. IBM X-Force ID: 186700.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-01-20 · 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: 0.009 (58.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · 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-77 — Command Injection

References

www.ibm.com/support/pages/node/6405952 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/186700 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4688?: CVE-2020-4688 is a high-severity vulnerability in IBM Security Guardium, classified under Command Injection. CVSS score: 7.8/10. Published 2021-01-20.
How severe is CVE-2020-4688?: High severity. CVSS v3 base score is 7.8 out of 10.