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CVE Record

CVE-2021-29714: IBM Content Navigator 3.0.CD could allow a malicious user to cause a denial of service due to improper inpu...

IBM Content Navigator 3.0.CD could allow a malicious user to cause a denial of service due to improper input validation. IBM X-Force ID: 200968.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Content Navigator 3.0.CD has an input validation flaw that can let a low-privileged malicious user cause a denial of service. The business impact is service disruption, not data theft or data modification, based on the published CVSS vector.

Executive priority

Handle in routine vulnerability management with elevated attention for business-critical Content Navigator deployments. The main risk is service outage from authenticated misuse, and the sources do not support emergency treatment based on active exploitation.

Technical view

The CVE describes network-reachable denial of service in IBM Content Navigator 3.0.CD caused by improper input validation. CVSS is 6.5 with low attack complexity, low privileges required, no user interaction, and high availability impact. No CWE is listed in the supplied record.

Likely exposure

Exposure is most likely where IBM Content Navigator 3.0.CD is deployed and reachable by authenticated users. Internet exposure is not stated in the sources, but the CVSS vector indicates network attack surface and low privileges required.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. The CVSS temporal vector marks exploit maturity as unproven. Treat this as a plausible authenticated denial-of-service risk, not a confirmed exploited issue.

Researcher notes

Evidence is limited to IBM and CVE records. The record does not identify affected endpoints, detailed trigger conditions, CWE mapping, or fixed versions in the supplied bundle. Do not broaden scope beyond IBM Content Navigator 3.0.CD without vendor confirmation.

Mitigation direction

  • Review IBM’s advisory for the official remediation or fixed build.
  • Prioritize systems running IBM Content Navigator 3.0.CD.
  • Restrict access to trusted authenticated users where operationally possible.
  • Monitor IBM X-Force entry for updated remediation or exploitation information.
  • Apply vendor-approved updates through normal change control.

Validation and detection

  • Inventory IBM Content Navigator deployments and confirm version 3.0.CD exposure.
  • Check whether affected instances are reachable over untrusted networks.
  • Review access logs for unusual authenticated activity or service instability.
  • Confirm remediation status against IBM’s advisory, not version assumptions.
  • Document whether compensating access controls reduce denial-of-service risk.
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-2021-29714 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
6.5 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/PR:L/C:N/I:N/A:H/S:U/UI:N/AV:N/AC:L/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
6.5CVSS 3.0MediumCVSS:3.0/PR:L/C:N/I:N/A:H/S:U/UI:N/AV:N/AC:L/RC:C/E:U/RL:O2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.5Medium
CVSS 3.0 vector shape for CVE-2021-29714Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:L/C:N/I:N/A:H/S:U/UI:N/AV:N/AC:L/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
IBMContent Navigator3.0.CDListed
Weakness

CWE details

No CWE listed

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