Read the docs
TI-2021-11836 Aliases CVE-2021-31842GHSA-93hf-xxfj-6gx3

XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for…

Priority LOW 24CWE-776Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.

Why it matters now

EPSS 0.00227 13th percentileScored 2026-11-07
Fix Fixed McAfee Endpoint Security (ENS) for WIndows (McAfee,LLC): 10.7.0 September 2021 Update

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMcAfee Endpoint Security (ENS) for WIndowsbefore 10.7.0 September 2021 Update10.7.0 September 2021 UpdatePatch availableCNA
  • McAfee Endpoint Security (ENS) for WIndows VendorMcAfee Affected before 10.7.0 September 2021 Update Fixed in 10.7.0 September 2021 Update Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*before 10.7.0VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2020:*:*:*:windows:*:*10.7.0 april_2020VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2021:*:*:*:windows:*:*10.7.0 april_2021VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2020:*:*:*:windows:*:*10.7.0 february_2020VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2021:*:*:*:windows:*:*10.7.0 february_2021VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:july_2020:*:*:*:windows:*:*10.7.0 july_2020VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:june_2021:*:*:*:windows:*:*10.7.0 june_2021VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:november_2020:*:*:*:windows:*:*10.7.0 november_2020VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.7.0:september_2020:*:*:*:windows:*:*10.7.0 september_2020VulnerableMcAfee
  • cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:* Versions before 10.7.0 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2020:*:*:*:windows:*:* Versions 10.7.0 april_2020 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2021:*:*:*:windows:*:* Versions 10.7.0 april_2021 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2020:*:*:*:windows:*:* Versions 10.7.0 february_2020 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2021:*:*:*:windows:*:* Versions 10.7.0 february_2021 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:july_2020:*:*:*:windows:*:* Versions 10.7.0 july_2020 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:june_2021:*:*:*:windows:*:* Versions 10.7.0 june_2021 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:november_2020:*:*:*:windows:*:* Versions 10.7.0 november_2020 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.7.0:september_2020:*:*:*:windows:*:* Versions 10.7.0 september_2020 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Endpoint Security (ENS) for WIndows (McAfee,LLC) Fixed in 10.7.0 September 2021 Update

Fixed in the same release

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

  • Release ·

    McAfee,LLC McAfee Endpoint Security (ENS) for WIndows 10.7.0 September 2021 Update

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-11837 Improper access control vulnerability in McAfee ENS for WindowsPriority LOW 34
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31842
  2. 2026-10-03 Alias added: GHSA-93hf-xxfj-6gx3

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