CVE-2021-29747Network attack vector

Unauthenticated sensitive information disclosure

Published May 17, 2021 · Updated Sep 17, 2024

Authentication failure in IBM InfoSphere Information Server 11.7 allows remote attackers to obtain highly sensitive information. IBM has not published the erroneous authentication operation or the request that triggers disclosure in the DataStage Operations Console. Exploitation requires an enabled Operations Console; IBM reports no integrity or availability impact.

CVSS severity5.9
Medium
EPSS probability1.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication failure in IBM InfoSphere Information Server 11.7 allows remote attackers to obtain highly sensitive information. IBM has not published the erroneous authentication operation or the request that triggers disclosure in the DataStage Operations Console. Exploitation requires an enabled Operations Console; IBM reports no integrity or availability impact.

The record

CVE
CVE-2021-29747
Published
May 17, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
InfoSphere Information Server
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=11.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · InfoSphere Information Serverversion=11.7

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
5.9IBMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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