CVE-2021-29766Network attack vector

Unauthenticated information disclosure via detailed error messages

Published Jul 26, 2021 · Updated Sep 16, 2024

Information disclosure in IBM i2 Analyze 4.3.0 through 4.3.2 allows remote attackers to obtain sensitive data via browser error messages. The affected web interface returns detailed technical errors containing more environmental or request information than necessary. No authentication or user interaction is required; IBM has not disclosed the triggering request or exact data exposed, and reports confidentiality impact only.

CVSS severity5.3
Medium
EPSS probability1.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in IBM i2 Analyze 4.3.0 through 4.3.2 allows remote attackers to obtain sensitive data via browser error messages. The affected web interface returns detailed technical errors containing more environmental or request information than necessary. No authentication or user interaction is required; IBM has not disclosed the triggering request or exact data exposed, and reports confidentiality impact only.

The record

CVE
CVE-2021-29766
Published
Jul 26, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
i2 Analyze
Classifications
CWE-209
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 26, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.3.0
  2. Affected versionversion=4.3.1
  3. Affected versionversion=4.3.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · i2 Analyzeversion=4.3.0; version=4.3.1; version=4.3.2

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
5.3IBM CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-209Generation of Error Message Containing Sensitive Information

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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