Home/CVE/IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary J
CVE

CVE-2021-20549

IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary J

IBM Content Navigator 3.0.CD is 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: 199167.

MEDIUM · CVSS 5.4 EPSS 0.00158
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
ibm content navigatorall versions
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · psirt@us.ibm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Apr 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://exchange.xforce.ibmcloud.com/vulnerabilities/199167VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6447143Vendor Advisory
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