Security readout for executives and security teams
Plain-English summary
This flaw lets someone with physical access potentially bypass a locked Windows session on systems running vulnerable McAfee Endpoint Security. It is not a remote internet attack; it depends on timing and local interaction. The business risk is highest for shared, public, or unattended endpoints where sensitive data remains accessible after lock.
Executive priority
Treat this as a targeted physical-access risk, not an emergency internet-facing exposure. Remediate through normal endpoint security patching, with priority for public, shared, executive, administrative, and sensitive-data workstations.
Technical view
CVE-2020-7323 is an authentication protection bypass in McAfee Endpoint Security for Windows 10.7.x before the 10.7.0 September 2020 Update. A physical local user could bypass the Windows lock screen by triggering certain detection events while McTray.exe runs with elevated privileges. CVSS is 6.9, with physical attack vector and high complexity.
Likely exposure
Exposure is limited to Windows endpoints running affected McAfee Endpoint Security versions, especially locked machines in physically accessible locations. The source bundle identifies ENS for Windows 10.7.x before the September 2020 update. Systems already updated beyond the affected build are less likely exposed.
Exploitation context
The provided sources do not indicate known active exploitation, and the CVE is not listed as KEV. Exploitation requires physical access, user interaction, a locked screen, elevated McTray.exe, and timing-dependent behavior, which lowers broad campaign risk but matters for insider or device-theft scenarios.
Researcher notes
The key preconditions are physical local access, locked Windows session, specific detection-event behavior, and elevated McTray.exe. The source bundle does not provide exploit details, proof-of-concept status, or broader affected product lines beyond ENS for Windows 10.7.x.
Mitigation direction
- Update McAfee Endpoint Security for Windows to the 10.7.0 September 2020 Update or later.
- Review McAfee security bulletin SB10327 for exact fixed build and deployment guidance.
- Prioritize shared, unattended, public-facing, and high-value Windows endpoints.
- Maintain physical access controls for locked systems handling sensitive data.
Validation and detection
- Inventory McAfee Endpoint Security for Windows versions across managed endpoints.
- Confirm affected systems are not running 10.7.x before the September 2020 Update.
- Identify endpoints where locked sessions remain physically accessible to non-administrators.
- Review endpoint management or vulnerability scan data for CVE-2020-7323 coverage.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-7323 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L0.46Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.9MediumVector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://kc.mcafee.com/corporate/index?page=content&id=SB10327CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.