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No exploitation reported

CVE-2019-3643

No exploitation reported by the sources we read.

  • Published2019-09-11

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

McAfee Web Gateway (MWG) earlier than 7.8.2.13 is vulnerable to a remote attacker exploiting CVE-2019-9511, potentially leading to a denial of service. This affects the scanning proxies.

Timeline

dates in UTC
  1. 2019-09-1115:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-3643?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-3643?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mcafee enterprise security manager
BranchAffectedFixed in
10.2= 10.2.0no fix published
10.3= 10.3.4no fix published
10.4= 10.4.0no fix published
11.0= 11.0.0no fix published
11.1= 11.1.0no fix published
11.1= 11.1.1no fix published
11.1= 11.1.2no fix published
11.1= 11.1.3no fix published
11.2= 11.2.0no fix published
Mcafee active response
BranchAffectedFixed in
1.0= 1.0.0no fix published
1.1= 1.1.0no fix published
2.0= 2.0no fix published
2.0= 2.0.1no fix published
2.1= 2.1no fix published
2.2= 2.2no fix published
2.3= 2.3no fix published
2.4= 2.4no fix published
Mcafee advanced threat defense
BranchAffectedFixed in
4.0= 4.0no fix published
4.2= 4.2no fix published
4.4= 4.4no fix published
4.6= 4.6no fix published

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.15.3read 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • FIRST EPSSEPSS score2.4 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2019-09-11
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-3643?

McAfee Web Gateway (MWG) earlier than 7.8.2.13 is vulnerable to a remote attacker exploiting CVE-2019-9511, potentially leading to a denial of service. This affects the scanning proxies.

Is CVE-2019-3643 actively exploited?

Active exploitation of CVE-2019-3643 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3643?

CVE-2019-3643 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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