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TI-2019-02650 Aliases CVE-2019-3586GHSA-ggq9-q258-r9g6

McAfee Endpoint Security firewall not always acting on GTI lookup results

Priority LOW 34CWE-693Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-693.

Summary

Protection Mechanism Failure in the Firewall in McAfee Endpoint Security (ENS) 10.x prior to 10.6.1 May 2019 update allows context-dependent attackers to circumvent ENS protection where GTI flagged IP addresses are not blocked by the ENS Firewall via specially crafted malicious sites where the GTI reputation is carefully manipulated and does not correctly trigger the ENS Firewall to block the connection.

Why it matters now

EPSS 0.00761 55th percentileScored 2026-11-07
Fix Fixed McAfee Endpoint Security (ENS) (McAfee, LLC): 10.6.1 May 2019 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)10.x to before 10.6.1 May 2019 update10.6.1 May 2019 updatePatch availableCNA
  • McAfee Endpoint Security (ENS) VendorMcAfee Affected 10.x to before 10.6.1 May 2019 update Fixed in 10.6.1 May 2019 update Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:*:*:*10.0.0 – 10.6.1VulnerableMcAfee
cpe:2.3:a:mcafee:endpoint_security:10.6.1:201905:*:*:*:*:*:*10.6.1 201905VulnerableMcAfee
  • cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:*:*:* Versions 10.0.0 – 10.6.1 Vulnerable ·McAfee
  • cpe:2.3:a:mcafee:endpoint_security:10.6.1:201905:*:*:*:*:*:* Versions 10.6.1 201905 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Endpoint Security (ENS) (McAfee, LLC) Fixed in 10.6.1 May 2019 update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3586
  2. 2026-10-03 Alias added: GHSA-ggq9-q258-r9g6

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