What is CVE-2021-29773?

CVE-2021-29773 is a medium-severity vulnerability in IBM Security Guardium, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2021-09-15.

How severe is CVE-2021-29773?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in IBM Security Guardium

CVE-2021-29773

IBM Security Guardium 10.6 and 11.3 could allow a remote authenticated attacker to obtain sensitive information or modify user details caused by an insecure direct object vulnerability (IDOR). IBM X-Force ID: 202865.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2021-09-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

IBM Security Guardium — versions 10.6, 11.3
IBM Security Guardium — versions 10.6, 11.3
Linux Kernel

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.ibm.com/support/pages/node/6488943 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/202865 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29773?: CVE-2021-29773 is a medium-severity vulnerability in IBM Security Guardium, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2021-09-15.
How severe is CVE-2021-29773?: Medium severity. CVSS v3 base score is 5.4 out of 10.