CVE-2019-3621
DLP Endpoint Windows lock screen bypass with physical access
No known exploitation. EPSS puts it in the 26th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 26th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 1946 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Scored 6.8 by NVD.
How it is reached
- Attack Vector PhysicalRequires physical access to the device
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required HighRequires admin or elevated privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
- securityfocus.com/bid/109370
- kc.mcafee.com/corporate/index?page=content&id=SB10290
- cxsecurity.com/cveshow/CVE-2019-3621/&
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