CVE-2019-3586: mcafee, llc mcafee endpoint security (ens) Protection Mechanism Failure
Vulnerability summary
CVE-2019-3586 is a high (CVSS 7.5) Protection Mechanism Failure vulnerability in mcafee, llc mcafee endpoint security (ens). EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.5% of scored vulnerabilities.
Timeline
- 15-05-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST7.5HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:H
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mcafee1 product
- endpoint_security≥ 10.0.0, ≤ 10.6.1 | 10.6.1:201905
Mcafee, llc1 product
- mcafee endpoint security (ens)≥ 10.x, < 10.6.1 May 2019 update
2 vendors · 2 products
References
2 links- kc.mcafee.com/corporate/index?page=content&id=SB10280X Refsource CONFIRM