CVE-2025-8421: Lenovo Dock Manager · Incorrect Default Permissions
Affects Lenovo Dock ManagerSource CVE Database V5
Not known to be exploited · CVSS 5.2 Medium.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 2025
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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Lenovo Dock Manager | Affected
| Fixed in– |
AI-suggested
Organizations should immediately review and restrict permissions related to Lenovo Dock Manager installation directories and log files to ensure they are not writable by non-privileged users. Implement strict access controls and monitor file integrity for log files to detect unauthorized changes. Limit local user privileges and enforce the principle of least privilege to reduce the risk of exploitation. Disable or uninstall Lenovo Dock Manager on systems where it is not essential. Employ endpoint detection and response (EDR) tools to monitor suspicious activities related to log file manipulation. Maintain rigorous user account management to prevent unauthorized local access. Regularly check for and apply Lenovo security updates or patches once released. Consider deploying application whitelisting to prevent unauthorized execution of altered binaries or scripts. Conduct user awareness training to minimize risky behaviors that could facilitate exploitation. Finally, segment networks to limit the impact of any local compromise.
Description
An improper default permission vulnerability was reported in Lenovo Dock Manager that, under certain conditions during installation, could allow an authenticated local user to redirect log files with elevated privileges.