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 action…

published 2021-07-26 5y ago modified 2026-06-17 4mo ago also EUVD-2021-16244

cvss: 4.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/pages/node/6474877 advisory

Is CVE-2021-29770 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.1	CVSS:3.0/S:C/PR:L/AV:N/UI:R/C:N/AC:L/I:L/A:N/RL:O/E:U/RC:C
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA	3.0	4.1	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

IBM i2 Analyze

Classification

Weakness

CWE-20 Improper Input Validation

References

ibm.com /support/pages/node/6474877
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/202771
vdb-entry, vendor-advisory

Sources

CVE List CVE-2021-29770
NVD CVE-2021-29770

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.