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TI-2021-06237 Aliases CVE-2021-23883GHSA-fcrq-5g5m-qh6j

Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)

Priority LOW 20CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.

Why it matters now

EPSS 0.00276 20th percentileScored 2026-11-07
Fix Fixed Endpoint Security (ENS) for Windows (McAfee LLC): 10.7.0 February 2021

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeEndpoint Security (ENS) for Windows10.7.x to before 10.7.0 February 202110.7.0 February 2021Patch availableCNA
  • Endpoint Security (ENS) for Windows VendorMcAfee Affected 10.7.x to before 10.7.0 February 2021 Fixed in 10.7.0 February 2021 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*before 10.7.0VulnerableMcAfee
  • cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:* Versions before 10.7.0 Vulnerable ·McAfee

Remediation

  • Fix · CNA Endpoint Security (ENS) for Windows (McAfee LLC) Fixed in 10.7.0 February 2021

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    McAfee Endpoint Security (ENS) for Windows 10.7.0 February 2021

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2021-06236 Improper Access Control in the ENS installerPriority LOW 35
    • TI-2021-06232 Clear text storage of sensitive Information in ENSPriority LOW 33
    • TI-2021-06234 Improper Access Control in the ENS installerPriority LOW 29
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23883
  2. 2026-10-03 Alias added: GHSA-fcrq-5g5m-qh6j

References

Other 1

  • TI-2020-05935 Cross-Site Request Forgery (CSRF) in firewall ePO extension of McAfee Endpoint Security (ENS) CVSS 3.1HIGH 8.8
  • TI-2020-05923 Improper Access Control Vulnerability in ENS for Windows CVSS 3.1HIGH 8.8
  • TI-2020-05872 Privilege Escalation vulnerability through symbolic links in ENSM CVSS 3.1HIGH 8.8
  • TI-2020-05871 Privilege Escalation vulnerability through symbolic links in ENS for Windows CVSS 3.1HIGH 8.8
  • TI-2019-02647 McAfee Endpoint Security updates fix a privilege escalation vulnerability CVSS 3.0HIGH 8.6
  • TI-2020-05864 Privilege Escalation vulnerability through Symbolic links in ENS CVSS 3.1HIGH 8.4
See all 36 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences