What is CVE-2021-29683?

CVE-2021-29683 is a medium-severity vulnerability in IBM Aix, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2021-05-20.

How severe is CVE-2021-29683?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in IBM Aix

CVE-2021-29683

IBM Security Identity Manager 7.0.2 stores user credentials in plain clear text which can be read by an authenticated user. IBM X-Force ID: 199998.

Published 2021-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

www.ibm.com/support/pages/node/6454587 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/199998 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29683?: CVE-2021-29683 is a medium-severity vulnerability in IBM Aix, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2021-05-20.
How severe is CVE-2021-29683?: Medium severity. CVSS v3 base score is 6.5 out of 10.