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CVE Record

CVE-2020-4965: IBM Jazz Team Server products use weaker than expected cryptographic algorithms that could allow an attacke...

IBM Jazz Team Server products use weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 192422.

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-4965 is a confidentiality issue in IBM Jazz Team Server-related products. Affected systems use weaker than expected cryptographic algorithms, which could let an attacker decrypt highly sensitive information. The published severity is medium, but exposure matters because these platforms often hold engineering, requirements, workflow, and test-management data.

Executive priority

Treat this as a targeted confidentiality-risk cleanup item, not a crisis, unless affected systems are internet-exposed or hold high-value engineering data. Confirm exposure and follow IBM guidance promptly.

Technical view

The CVSS v3.0 score is 5.9 with network attack vector, no privileges required, no user interaction, high attack complexity, and high confidentiality impact. The sources do not describe integrity or availability impact, exploit details, or active exploitation.

Likely exposure

Organizations running the listed IBM Rational or IBM Engineering Lifecycle products in affected 6.0.x or 7.0.x versions may be exposed, especially where Jazz Team Server services are reachable over a network and handle sensitive lifecycle or engineering data.

Exploitation context

The bundle does not identify CISA KEV listing, active exploitation, public exploit code, or exploitation in the wild. The issue requires high attack complexity, so prioritize confirmed affected deployments over broad emergency action.

Researcher notes

Evidence is limited to the CVE metadata, IBM advisory reference, X-Force entry, affected products, and CVSS vector. Do not infer affected components, ciphers, exploitability, or fixed versions beyond IBM guidance.

Mitigation direction

  • Identify affected IBM product names and versions in the environment.
  • Review IBM advisory 6441803 for product-specific fixes or interim guidance.
  • Upgrade or remediate only according to IBM-published guidance.
  • Limit network access to Jazz Team Server services where feasible.
  • Prioritize systems handling sensitive engineering or lifecycle data.

Validation and detection

  • Inventory IBM Rational and Engineering Lifecycle deployments and versions.
  • Match installed versions against the affected version list.
  • Review crypto configuration against IBM guidance for the affected product.
  • Confirm whether sensitive data is stored or transmitted through affected services.
  • Document compensating access controls for externally reachable systems.
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-2020-4965 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.9 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/C:H/I:N/A:N/UI:N/S:U/AC:H/AV:N/PR:N/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
5.9CVSS 3.0MediumCVSS:3.0/C:H/I:N/A:N/UI:N/S:U/AC:H/AV:N/PR:N/RL:O/E:U/RC:C2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.9Medium
CVSS 3.0 vector shape for CVE-2020-4965Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/C:H/I:N/A:N/UI:N/S:U/AC:H/AV:N/PR:N/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 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 Collaborative Lifecycle Management6.0.2, 6.0.6, 6.0.6.1Listed
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
IBMRational Rhapsody Model Manager6.0.6, 6.0.6.1, 7.0, 7.0.1, 6.0.2Listed
IBMEngineering Workflow Management7.0, 7.0.1, 7.0.2Listed
IBMEngineering Lifecycle Optimization7.0, 7.0.1, 7.0.2Listed
Weakness

CWE details

No CWE listed

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