CVE-2023-39249

Privileged driver installation via administrator-session bypass

Published Feb 14, 2024 · Updated Aug 14, 2024

Authentication bypass in Dell SupportAssist for Business PCs 3.4.0 allows local users to perform privileged driver scans and installations. The SupportAssist user interface’s Run as Administrator component grants a locally authenticated non-admin its restricted workflow without requiring an administrator to sign in. Access requires a local non-admin session and the user interface; the privilege applies only inside SupportAssist and expires after 15 minutes.

CVSS severity6.3
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Dell SupportAssist for Business PCs 3.4.0 allows local users to perform privileged driver scans and installations. The SupportAssist user interface’s Run as Administrator component grants a locally authenticated non-admin its restricted workflow without requiring an administrator to sign in. Access requires a local non-admin session and the user interface; the privilege applies only inside SupportAssist and expires after 15 minutes.

The record

CVE
CVE-2023-39249
Published
Feb 14, 2024
Updated
Aug 14, 2024
Vendor
Dell
Product
SupportAssist for Home PCs
Classifications
CWE-280
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.4.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell · SupportAssist for Home PCsversion=3.4.0

Published CVSS scores

6.3DellCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
5.3NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-280Improper Handling of Insufficient Permissions or Privileges

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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