CVE-2023-6338: Lenovo Universal Device Client (UDC) · Uncontrolled Search Path Element
Affects Lenovo Universal Device Client (UDC)Source CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
European organizations should prioritize the following mitigation steps: 1) Inventory and identify all systems running Lenovo Universal Device Client (UDC) software to assess exposure. 2) Monitor Lenovo’s official channels for patches or updates addressing CVE-2023-6338 and apply them promptly once available. 3) Until patches are released, restrict local access to systems running UDC to trusted personnel only, employing strict access controls and monitoring. 4) Implement application whitelisting and integrity verification mechanisms to detect unauthorized changes or execution of untrusted binaries in the search path. 5) Conduct regular audits of environment variables and system PATH configurations to ensure no unsafe directories are included that could be exploited. 6) Employ endpoint detection and response (EDR) solutions to detect suspicious local activity indicative of exploitation attempts. 7) Educate system administrators and users about the risks of local privilege escalation vulnerabilities and the importance of maintaining strict local access policies. These targeted steps go beyond generic advice by focusing on controlling local access, monitoring search path integrity, and preparing for patch deployment.
Description
Uncontrolled search path vulnerabilities were reported in the Lenovo Universal Device Client (UDC) that could allow an attacker with local access to execute code with elevated privileges.