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CVE Record

CVE-2021-20507: IBM Jazz Foundation and IBM Engineering products are vulnerable to cross-site scripting.

IBM Jazz Foundation and IBM Engineering products are 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: 198235.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a cross-site scripting issue in IBM Jazz Foundation and several IBM Engineering lifecycle products. An authenticated user could place JavaScript into the web interface, potentially exposing credentials or altering trusted-session behavior. Severity is moderate because exploitation needs privileges and user interaction, but affected engineering platforms may hold sensitive project data.

Executive priority

Treat as a moderate-priority remediation item for environments using affected IBM engineering lifecycle tools, especially where they support sensitive development or regulated work. Prioritize patch validation over emergency response unless local evidence indicates abuse.

Technical view

CVE-2021-20507 affects specified IBM Engineering and Rational product versions. The flaw allows arbitrary JavaScript to be embedded in the Web UI. CVSS 3.0 score is 5.4 with network attack vector, low complexity, low privileges required, user interaction required, changed scope, and low confidentiality and integrity impact.

Likely exposure

Exposure is most likely where affected IBM Engineering Workflow Management, Rational Team Concert, RELM, DOORS Next Generation, ELO, or CLM versions are accessible to authenticated users.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. IBM X-Force lists exploit maturity as unproven. Abuse would depend on authenticated access and user interaction inside the trusted web UI.

Researcher notes

Key constraints are PR:L and UI:R, with scope changed and low confidentiality/integrity impact. Sources identify IBM X-Force ID 198235 but do not provide detailed exploit mechanics or fixed version specifics in the bundle.

Mitigation direction

  • Check IBM advisory 6473141 for official remediation details.
  • Apply IBM-provided fixes or upgrades for affected versions.
  • Limit access to affected web interfaces to trusted users and networks.
  • Review session and credential exposure controls for affected applications.
  • Monitor vendor guidance for any updated remediation instructions.

Validation and detection

  • Inventory IBM Engineering and Rational products and versions.
  • Compare installed versions with the affected version list.
  • Confirm whether IBM official fixes or upgrades are applied.
  • Review web UI logs for unusual script-like content or unexpected page modifications.
  • Validate access controls for authenticated users of affected applications.
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-2021-20507 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/A:N/C:L/AC:L/S:C/AV:N/I:L/PR:L/UI:R/RC:C/E:U/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
5.4CVSS 3.0MediumCVSS:3.0/A:N/C:L/AC:L/S:C/AV:N/I:L/PR:L/UI:R/RC:C/E:U/RL:O2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2021-20507Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/C:L/AC:L/S:C/AV:N/I:L/PR:L/UI:R/RC:C/E:U/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
IBMEngineering Workflow Management7.0, 7.0.1, 7.0.2Listed
IBMRational Team Concert6.0.6, 6.0.6.1Listed
IBMRational Engineering Lifecycle Manager7.0, 7.0.1, 7.0.2Listed
IBMRational DOORS Next Generation7.0, 7.0.1, 7.0.2Listed
IBMEngineering Lifecycle Optimization7.0, 7.0.1, 7.0.2Listed
IBMRational Collaborative Lifecycle Management6.0.6, 6.0.6.1Listed
Weakness

CWE details

No CWE listed

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