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TI-2021-02926 Aliases CVE-2021-4038GHSA-jrmj-jm9w-qhxm

NSM vulnerable to XSS

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Cross Site Scripting (XSS) vulnerability in McAfee Network Security Manager (NSM) prior to 10.1 Minor 7 allows a remote authenticated administrator to embed a XSS in the administrator interface via specially crafted custom rules containing HTML. NSM did not correctly sanitize custom rule content in all scenarios.

Why it matters now

EPSS 0.00594 48th percentileScored 2026-11-07
Fix Fixed McAfee Network Security Manager (NSM) (McAfee,LLC): 10.7 M7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMcAfee Network Security Manager (NSM)before 10.7 M710.7 M7Patch availableCNA
  • McAfee Network Security Manager (NSM) VendorMcAfee Affected before 10.7 M7 Fixed in 10.7 M7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:network_security_manager:*:*:*:*:*:*:*:*before 10.1.7.48VulnerableMcAfee
  • cpe:2.3:a:mcafee:network_security_manager:*:*:*:*:*:*:*:* Versions before 10.1.7.48 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Network Security Manager (NSM) (McAfee,LLC) Fixed in 10.7 M7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4038
  2. 2026-10-03 Alias added: GHSA-jrmj-jm9w-qhxm

References

  • TI-2017-03013 SB10192 - Network Security Management (NSM) - Infrastructure-based foot printing vulnerability CVSS 3.0CRITICAL 9.8
  • TI-2019-02657 Authentication bypass in McAfee Network Security Manager 9.x CVSS 3.0CRITICAL 9.8
  • TI-2017-03010 Session fixation in McAfee Network Security Management CVSS 3.0CRITICAL 9.1
  • TI-2017-03005 McAfee Network Security Management (NSM) - Password recovery exploitation vulnerability CVSS 3.0CRITICAL 9.8
  • TI-2017-03003 McAfee Network Security Management (NSM) - Exploitation of Authorization vulnerability CVSS 3.0HIGH 8.8
  • TI-2017-03007 SB10192 - Network Security Management (NSM) - Cross-Site Request Forgery (CSRF) (aka Session Riding) vulnerability CVSS 3.0HIGH 8.8
See all 18 →

Sources