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Fencer Vulns
high 7.5

CVE-2019-3636 json

File masquerade attack vulnerability in McAfee Total Protection

published 2019-10-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13271

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

A File Masquerade vulnerability in McAfee Total Protection (MTP) version 16.0.R21 and earlier in Windows client allowed an attacker to read the plaintext list of AV-Scan exclusion files from the Windows registry, and to possibly replace excluded files with potential malware without being detected.

Patch / fix

  • McAfee, LCC McAfee Total Protection 16.0.R22

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • McAfee, LCC McAfee Total Protection

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.