What is CVE-2021-29770?

CVE-2021-29770 is a medium-severity vulnerability in IBM I2 Analyze, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-07-26.

How severe is CVE-2021-29770?

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

Improper input validation in IBM I2 Analyze

CVE-2021-29770

IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow an authenticated user to perform unauthorized actions due to hazardous input validation. IBM X-Force ID: 202771.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-07-26 · 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:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · 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-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/6474877 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/202771 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29770?: CVE-2021-29770 is a medium-severity vulnerability in IBM I2 Analyze, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-07-26.
How severe is CVE-2021-29770?: Medium severity. CVSS v3 base score is 6.5 out of 10.