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Fencer Vulns
critical 9.8

CVE-2019-3663 json

Advanced Threat Defense (ATD) - Unprotected storage of shared credentials vulnerability

published 2019-11-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13298

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Unprotected Storage of Credentials vulnerability in McAfee Advanced Threat Defense (ATD) prior to 4.8 allows local attacker to gain access to the root password via accessing sensitive files on the system. This was originally published with a CVSS rating of High, further investigation has resulted in this being updated to Critical. The root password is common across all instances of ATD prior to 4.8. See the Security bulletin for further details

Patch / fix

  • mcafee advanced_threat_defense 4.8

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • McAfee Advanced Threat Defense (ATD)

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

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.