Security readout for executives and security teams
Plain-English summary
CVE-2019-6165 affects Lenovo PaperDisplay Hotkey Service 1.2.0.8. A local attacker could exploit unsafe DLL search behavior to gain higher privileges. Lenovo has ended support for this software and points users to Windows 10 Night light as a similar built-in feature.
Executive priority
Prioritize cleanup on managed Lenovo fleets because this is unsupported software with high-impact local privilege escalation potential. It is not an internet-facing emergency based on the provided evidence.
Technical view
The issue is a DLL search path vulnerability in PaperDisplay Hotkey Service. CVSS 3.0 rates it 7.3: local attack vector, low complexity, low privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to legacy Lenovo systems where PaperDisplay Hotkey Service, especially version 1.2.0.8, remains installed. The source bundle does not identify broader affected versions or CPEs.
Exploitation context
The bundle does not cite active exploitation, and CISA KEV status is false. Exploitation is local and requires low privileges plus user interaction, but successful abuse could escalate privileges on the affected host.
Researcher notes
Public detail is sparse. Do not assume remote exploitability, affected versions beyond the cited service version, or a patch. Validation should focus on installed software presence, version evidence, and Lenovo advisory alignment.
Mitigation direction
- Inventory endpoints for PaperDisplay Hotkey Service and version 1.2.0.8.
- Remove or disable unsupported PaperDisplay Hotkey software where business use is not required.
- Use Windows 10 Night light as the replacement feature where applicable.
- Check Lenovo advisory LEN-27569 for any environment-specific guidance.
Validation and detection
- Confirm whether PaperDisplay Hotkey Service is installed on Lenovo endpoints.
- Record installed version and compare with the cited 1.2.0.8 affected version.
- Verify unsupported software has been removed or disabled after remediation.
- Document any exception where the software remains installed.
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
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ATT&CK lookup starting points
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Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-6165 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H1.35.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.3HighVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.lenovo.com/solutions/LEN-27569CVE reference · x_refsource_MISC
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.