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CVE Record

CVE-2020-4964: IBM Jazz Team Server products contain an undisclosed vulnerability that could allow an authenticated user t...

IBM Jazz Team Server products contain an undisclosed vulnerability that could allow an authenticated user to present a customized message on the application which could be used to phish other users. IBM X-Force ID: 192419.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-4964 affects IBM Jazz Team Server-based products. An authenticated user could display a customized message inside the application, creating a phishing opportunity against other users. The documented impact is limited to integrity, with no stated confidentiality or availability impact.

Executive priority

Treat as a moderate phishing-enablement issue. It is not documented as data theft or service disruption, but affected engineering systems often hold sensitive project context, making credible internal phishing a real business concern.

Technical view

IBM describes an undisclosed vulnerability in Jazz Team Server products allowing a low-privileged authenticated network user to present a customized application message. CVSS 3.0 score is 4.3, vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. No CWE or technical root cause is provided.

Likely exposure

Exposure is likely where affected IBM engineering lifecycle products are deployed, especially versions 6.0.2, 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 across the listed product family. Authentication is required.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. IBM X-Force marks exploit maturity as unproven. The practical risk is abuse by an authenticated user to make in-application phishing more credible.

Researcher notes

Technical detail is intentionally sparse in the public record. Avoid assuming XSS, stored content injection, or specific attack paths unless IBM publishes more detail. The safest validation path is version exposure, patch status, and authenticated-user abuse review.

Mitigation direction

  • Check IBM advisory 6441803 for fixed levels or interim fixes.
  • Upgrade affected IBM products according to vendor guidance.
  • Restrict application access to trusted authenticated users.
  • Review roles and permissions for unnecessary low-privilege accounts.
  • Monitor for unusual customized messages or phishing reports.

Validation and detection

  • Inventory IBM Jazz Team Server-based products and exact versions.
  • Compare versions against the affected product list and IBM advisory.
  • Confirm vendor-recommended fixes are installed where applicable.
  • Review application access controls for low-privilege user exposure.
  • Check user reports and logs for suspicious custom messages.
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-2020-4964 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

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

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
4.3CVSS 3.0MediumCVSS:3.0/I:L/C:N/A:N/UI:N/S:U/AV:N/AC:L/PR:L/RL:O/E:U/RC:C2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2020-4964Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMRational Rhapsody Model Manager6.0.6, 6.0.6.1, 7.0, 7.0.1, 6.0.2Listed
IBMEngineering Lifecycle Optimization7.0, 7.0.1, 7.0.2Listed
IBMEngineering Workflow Management7.0, 7.0.1, 7.0.2Listed
IBMRational Collaborative Lifecycle Management6.0.2, 6.0.6, 6.0.6.1Listed
IBMRational DOORS Next Generation6.0.2, 6.0.6, 6.0.6.1, 7.0, 7.0.1, 7.0.2Listed
IBMEngineering Test Management7.0.0, 7.0.1, 7.0.2Listed
IBMRational Engineering Lifecycle Manager6.0.2, 6.0.6, 6.0.6.1, 7.0, 7.0.1Listed
IBMRational Quality Manager6.0.2, 6.0.6, 6.0.6.1Listed
IBMRational Team Concert6.0.2, 6.0.6, 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.