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Content Navigator CVE-2021-29714

MEDIUM
Improper Input Validation (CWE-20)
2021-08-09 psirt@us.ibm.com
Denial Of Service IBM Content Navigator
6.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-20
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

IBM Content Navigator 3.0.CD could allow a malicious user to cause a denial of service due to improper input validation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. 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. Affected products include: Ibm Content Navigator.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
1.0%
Top 41% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:content_navigator:3.0.0:*:*:*:continuous_delivery:*:*:*

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CVE-2019-4034 HIGH
8.8 Mar 14

IBM Content Navigator 3.0CD is could allow an attacker to execute arbitrary code on a user's workstation. Rated high sev
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IBM Content Navigator 2.0 and 3.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data
CVE-2018-1366 HIGH
7.8 Feb 07

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CVE-2019-4092 MEDIUM
6.1 Apr 25

IBM Content Navigator 2.0.3 and 3.0CD could allow a remote attacker to conduct phishing attacks, using an open redirect

CVE-2017-1331 MEDIUM
5.4 Aug 04

IBM Content Navigator 2.0.3 and 3.0.0 is vulnerable to cross-site scripting. Rated medium severity (CVSS 5.4), this vuln
CVE-2017-1502 MEDIUM
5.4 Sep 07

IBM Content Navigator & CMIS 2.0.3, 3.0.0, and 3.0.1 is vulnerable to cross-site scripting. Rated medium severity (CVSS

CVE-2017-1282 MEDIUM
5.4 May 22

IBM Content Navigator & CMIS 2.0 and 3.0 is vulnerable to cross-site scripting. Rated medium severity (CVSS 5.4), this v
CVE-2017-1146 MEDIUM
5.4 Mar 20

IBM Content Navigator 2.0.3 and 3.0.0 are vulnerable to cross-site scripting. Rated medium severity (CVSS 5.4), this vul
CVE-2017-1522 MEDIUM
5.4 Oct 05

IBM Content Navigator & CMIS 2.0.3, 3.0.0, and 3.0.1 is vulnerable to cross-site scripting. Rated medium severity (CVSS

Same weakness CWE-20 – Improper Input Validation

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CVE-2017-9791 CRITICAL POC
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CVE-2017-15944 CRITICAL POC
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CVE-2019-0604 CRITICAL POC
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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2012-0507 CRITICAL POC
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CVE-2014-1761 HIGH POC
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CVE-2015-5122 CRITICAL POC
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CVE-2011-0609 HIGH POC
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References

Advisories & patches
ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/200968 ADVISORY https://www.ibm.com/support/pages/node/6479397

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