Security readout for executives and security teams
Plain-English summary
Lenovo PC Manager before 2.6.40.3154 can be abused by a local, low-privileged attacker to reboot the system. This is an availability issue, not a data theft or remote takeover issue based on the supplied sources.
Executive priority
Treat as a moderate endpoint availability risk. It is not a remote breach issue from the available evidence, but affected shared or operational Lenovo endpoints should be updated to avoid preventable disruption.
Technical view
CVE-2017-3772 is a CWE-20 input validation issue in Lenovo PC Manager versions prior to 2.6.40.3154. CVSS 3.1 is 5.5: local attack vector, low complexity, low privileges, no user interaction, unchanged scope, and high availability impact only.
Likely exposure
Exposure is likely limited to endpoints running Lenovo PC Manager before 2.6.40.3154 where an attacker already has local low-privileged access. The bundle does not identify broader affected CPEs or non-Lenovo products.
Exploitation context
The supplied CVE data does not show CISA KEV listing or cited evidence of active exploitation. The attack requires local access and appears limited to causing system reboot, which could disrupt users or shared workstations.
Researcher notes
The source bundle is sparse. It provides version threshold, CVSS vector, CWE-20, and reboot impact, but no technical root cause, proof-of-concept status, affected CPE list, or detailed vendor mitigation text.
Mitigation direction
- Update Lenovo PC Manager to 2.6.40.3154 or later where applicable.
- Follow Lenovo’s advisory for any product-specific remediation details.
- Remove Lenovo PC Manager from systems where it is not required.
- Limit local user access on shared or high-availability endpoints.
- Monitor endpoint reboot events for suspicious local disruption patterns.
Validation and detection
- Inventory endpoints with Lenovo PC Manager installed.
- Confirm installed versions are 2.6.40.3154 or later.
- Prioritize review of shared, kiosk, lab, and operational workstations.
- Check recent reboot logs for unexplained local availability events.
- Verify Lenovo guidance against the exact installed product build.
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
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-3772 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://iknow.lenovo.com.cn/detail/171959CVE reference
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.
