CVE-2019-3663
Advanced Threat Defense (ATD) - Unprotected storage of shared credentials vulnerability
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Advanced Threat Defense (ATD) - Unprotected storage of shared credentials vulnerability
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
- Record
CVE-2019-3663- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2019-13298
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
- Record
EUVD-2019-13298- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-538g-8rx5-rhf7 No score
Unprotected Storage of Credentials vulnerability in McAfee Advanced Threat Defense (ATD) prior to...
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.
- Record
GHSA-538g-8rx5-rhf7- Updated
- 2026-11-02
NVD
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
- Record
CVE-2019-3663- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | funoverip/mcafee_atd_CVE-2019-3663 | 2020-01-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-3663 is a critical vulnerability (CVSS 9.8) in Mcafee Advanced Threat Defense (atd), published November 13, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.