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CVE Record

CVE-2020-8319: A privilege escalation vulnerability was reported in Lenovo System Interface Foundation prior to version 1....

A privilege escalation vulnerability was reported in Lenovo System Interface Foundation prior to version 1.1.19.3 that could allow an authenticated user to execute code with elevated privileges.

HighCVSS 7.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Lenovo disclosed a high-severity privilege escalation flaw in Lenovo System Interface Foundation before version 1.1.19.3. An already authenticated user could potentially run code with higher privileges. This is mainly an endpoint risk, not a remote internet-facing service issue.

Executive priority

Treat this as a high-priority endpoint hygiene issue for Lenovo fleets. It is not presented as actively exploited, but successful abuse could give an authenticated user elevated code execution on affected machines.

Technical view

CVE-2020-8319 is a local privilege escalation in Lenovo System Interface Foundation prior to 1.1.19.3. CVSS 3.1 is 7.3: local access, low complexity, low privileges, user interaction required, unchanged scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to Lenovo endpoints where Lenovo System Interface Foundation is installed below version 1.1.19.3. The supplied data does not identify specific device models, operating systems, or package channels.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Because exploitation requires local authenticated access and user interaction, the main concern is privilege escalation after initial endpoint access.

Researcher notes

The public evidence provided is sparse: no CWE, no affected model list, and no exploit details. Validation should focus on installed component version and vendor advisory alignment, not speculative exploit testing.

Mitigation direction

  • Inventory Lenovo endpoints for Lenovo System Interface Foundation.
  • Update Lenovo System Interface Foundation to version 1.1.19.3 or later.
  • Review Lenovo advisory LEN-30401 for vendor-specific remediation guidance.
  • Prioritize shared workstations and high-value user endpoints.
  • Limit local user privileges where operationally feasible.

Validation and detection

  • Confirm installed Lenovo System Interface Foundation versions across managed endpoints.
  • Verify vulnerable systems report version 1.1.19.3 or later after remediation.
  • Check endpoint management records for missed or unmanaged Lenovo devices.
  • Review Lenovo advisory LEN-30401 for any model-specific notes.
  • Document exceptions where the component cannot be updated.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

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 lookup
cve · low confidence lookup

CVE-2020-8319 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.3CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H1.35.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.3High
CVSS 3.1 vector shape for CVE-2020-8319Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LenovoLenovo System Interface FoundationunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.