What is CVE-2021-29766?

CVE-2021-29766 is a medium-severity vulnerability in IBM I2 Analyze, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2021-07-26.

How severe is CVE-2021-29766?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in IBM I2 Analyze

CVE-2021-29766

IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 202680.

Published 2021-07-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

IBM I2 Analyze — versions 4.3.0, 4.3.1, 4.3.2
IBM I2 Analyze — versions 4.3.0, 4.3.1, 4.3.2
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/pages/node/6474881 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/202680 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29766?: CVE-2021-29766 is a medium-severity vulnerability in IBM I2 Analyze, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2021-07-26.
How severe is CVE-2021-29766?: Medium severity. CVSS v3 base score is 5.3 out of 10.