How severe is CVE-2019-3621?

CVE-2019-3621 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-3621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3621?

CVE-2019-3621 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3621?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3621 published?

CVE-2019-3621 was published on 2019-07-25 and last updated on 2026-06-17.

CVE-2019-3621

CVE-2019-3621 is a medium-severity vulnerability in Mcafee Data Loss Prevention Endpoint with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mcafee Data Loss Prevention Endpoint
Published: 2019-07-25
Last modified: 2026-06-17

Description

Authentication protection bypass vulnerability in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.0 allows physical local user to bypass the Windows lock screen via DLPe processes being killed just prior to the screen being locked or when the screen is locked. The attacker requires physical access to the machine.

Frequently asked questions

What is CVE-2019-3621?: Authentication protection bypass vulnerability in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.0 allows physical local user to bypass the Windows lock screen via DLPe processes being killed just prior to the screen being locked or when the screen is locked. The attacker requires physical access to the machine.
How severe is CVE-2019-3621?: CVE-2019-3621 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-3621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3621?: CVE-2019-3621 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3621 published?: CVE-2019-3621 was published on 2019-07-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*

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