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CVE Record

CVE-2021-29820: IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to cross-site script...

IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 204347.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-29820 is a cross-site scripting issue in IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus GUI 8.1.0. A logged-in user could place JavaScript into the web UI. If another user interacts with it, credentials or session-trusted data could be exposed.

Executive priority

Prioritize remediation in environments where monitoring consoles are broadly reachable or used by administrators. The issue is medium severity, but credential disclosure inside a trusted operational console can create meaningful follow-on risk.

Technical view

The source describes stored or embedded JavaScript in the Web UI, requiring network access, low privileges, and user interaction. CVSS 3.0 score is 5.4 with changed scope, low confidentiality and integrity impact, and no availability impact. The bundle names IBM X-Force ID 204347.

Likely exposure

Exposure is most likely where IBM Tivoli Netcool/OMNIbus GUI 8.1.0 or related Jazz for Service Management UI is deployed and reachable by authenticated users. Internet exposure would increase business risk, but the sources do not state deployment patterns.

Exploitation context

The bundle does not cite CISA KEV listing or confirmed active exploitation. The CVSS temporal vector includes high exploit code maturity, but no exploit details are provided here. Treat this as credible XSS risk without assuming observed attacks.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, IBM advisory reference, and IBM X-Force ID. The bundle does not provide affected subcomponents, exact fixed versions, exploit samples, or workaround text, so validation should center on vendor advisory confirmation.

Mitigation direction

  • Review IBM advisory 6490747 for official remediation details.
  • Apply IBM-provided fixes or supported upgrade guidance for affected deployments.
  • Restrict Web UI access to trusted networks and authenticated users.
  • Reduce unnecessary low-privilege accounts with Web UI write capability.
  • Monitor IBM X-Force entry 204347 for updated vendor guidance.

Validation and detection

  • Inventory IBM Tivoli Netcool/OMNIbus GUI 8.1.0 deployments.
  • Confirm whether Jazz for Service Management is present with the affected UI.
  • Check vendor patch level against IBM advisory 6490747.
  • Review Web UI audit logs for suspicious script-like content.
  • Verify access controls for users able to modify UI-displayed fields.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-29820 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/C:L/PR:L/AC:L/AV:N/I:L/UI:R/A:N/S:C/RL:O/RC:C/E:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.4CVSS 3.0MediumCVSS:3.0/C:L/PR:L/AC:L/AV:N/I:L/UI:R/A:N/S:C/RL:O/RC:C/E:H2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2021-29820Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/C:L/PR:L/AC:L/AV:N/I:L/UI:R/A:N/S:C/RL:O/RC:C/E:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMTivoli Netcool/OMNIbus8.1.0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.