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CVE Record

CVE-2021-29834: IBM Business Automation Workflow 18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, 19.0.0.2, 19.0.0.3,20.0.0.1, 20.0....

IBM Business Automation Workflow 18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, 19.0.0.2, 19.0.0.3,20.0.0.1, 20.0.0.2, and 21.0.2 and IBM Business Process Manager 8.5 and 8.6 are vulnerable to stored 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: 204832.

MediumCVSS 6.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a stored cross-site scripting flaw in IBM workflow products. An authenticated user could place JavaScript into the web interface, causing trusted users to run unintended code in their session. The business risk is credential exposure and workflow misuse inside systems that often support critical business processes.

Executive priority

Treat as a moderate-priority enterprise application issue. Prioritize remediation for externally reachable or widely used workflow portals, especially where privileged users regularly access the affected interface.

Technical view

CVE-2021-29834 affects listed IBM Business Automation Workflow and IBM Business Process Manager versions. It is a network-reachable stored XSS issue requiring low privileges, with changed scope and low confidentiality and integrity impact. IBM X-Force tracks it as 204832; CVSS v3.0 base score is 6.4.

Likely exposure

Exposure is most likely where affected IBM BAW or BPM web interfaces are deployed and accessible to authenticated business users. Internet-facing portals or broad internal access increase concern. The provided sources list specific affected versions but do not describe all deployment conditions.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is still relevant because stored XSS can persist in trusted workflows and execute when other users view affected UI content.

Researcher notes

Key unknowns are the exact vulnerable UI fields and IBM fix mapping by release. Avoid assuming exploit status beyond the sources. Validation should focus on version confirmation, advisory alignment, and authorized post-fix testing without reproducing payload behavior.

Mitigation direction

  • Identify all IBM BAW and BPM instances and versions.
  • Review IBM advisory for exact remediation for each deployed release.
  • Apply IBM-provided fixes or supported upgrade guidance.
  • Restrict workflow UI access to required trusted users.
  • Review permissions for users who can create or edit UI-visible content.

Validation and detection

  • Compare deployed versions against the affected version list.
  • Confirm IBM advisory remediation is applied in each environment.
  • Run approved authenticated scanning after remediation.
  • Review logs for unusual UI content changes or credential-related anomalies.
  • Verify access controls limit content-editing privileges.
Prepared
Confidence
high
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-2021-29834 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.0)
Known Exploited
No
Published

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

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
6.4CVSS 3.0MediumCVSS:3.0/A:N/UI:N/I:L/AV:N/PR:L/S:C/C:L/AC:L/RC:C/E:H/RL:O3.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.4Medium
CVSS 3.0 vector shape for CVE-2021-29834Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMBusiness Automation Workflow18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, 19.0.0.2, 19.0.0.3, 20.0.0.1, 20.0.0.2, 21.0.2Listed
IBMBusiness Process Manager8.5, 8.6Listed
Weakness

CWE details

No CWE listed

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