What is CVE-2021-29686?

CVE-2021-29686 is a high-severity vulnerability in IBM Aix. CVSS score: 8.8/10. Published 2021-05-20.

How severe is CVE-2021-29686?

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

Vulnerability in IBM Aix

CVE-2021-29686

IBM Security Identity Manager 7.0.2 could allow an authenticated user to bypass security and perform actions that they should not have access to. IBM X-Force ID: 200015

Published 2021-05-20 · 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: 0.008 (54.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

IBM Aix
IBM Security Identity Manager — versions 7.0.2
IBM Security Identity Manager — versions 7.0.2
Linux Kernel
Microsoft Windows
Oracle Solaris

References

www.ibm.com/support/pages/node/6454587 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/200015 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29686?: CVE-2021-29686 is a high-severity vulnerability in IBM Aix. CVSS score: 8.8/10. Published 2021-05-20.
How severe is CVE-2021-29686?: High severity. CVSS v3 base score is 8.8 out of 10.