CVE-2021-29811Network attack vector

Credential disclosure via cleartext storage

Published Sep 20, 2021 · Updated Sep 17, 2024

Cleartext credential storage in IBM Tivoli Netcool/OMNIbus Web GUI 8.1.0 allows remote authenticated administrators to read user credentials. The Web GUI persists user credentials without encryption, but IBM has not disclosed the affected storage location or code path. Exploitation requires an authenticated administrator account and exposes stored credentials without altering data or interrupting service.

CVSS severity4.9
Medium
EPSS probability0.97%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential storage in IBM Tivoli Netcool/OMNIbus Web GUI 8.1.0 allows remote authenticated administrators to read user credentials. The Web GUI persists user credentials without encryption, but IBM has not disclosed the affected storage location or code path. Exploitation requires an authenticated administrator account and exposes stored credentials without altering data or interrupting service.

The record

CVE
CVE-2021-29811
Published
Sep 20, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
Tivoli Netcool/OMNIbus
Classifications
T1552
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 20, 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=8.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

IBM · Tivoli Netcool/OMNIbusversion=8.1.0

Published CVSS scores

4.9IBMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.9IBMCVSS:3.0/S:U/UI:N/A:N/AC:L/AV:N/I:N/C:H/PR:H/RC:U/RL:O/E:U

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1552Unsecured Credentials

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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