What’s Vulnerable › Vulnerabilities

CVE-2021-34546

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-10 · updated 2026-06-17
• Weakness: CWE-287

Description

An unauthenticated attacker with physical access to a computer with NetSetMan Pro before 5.0 installed, that has the pre-logon profile switch button within the Windows logon screen enabled, is able to drop to an administrative shell and execute arbitrary commands as SYSTEM via the "save log to file" feature. To accomplish this, the attacker can navigate to cmd.exe.

Affected products

• NetSetMan: before 5.0 — fixed in 5.0

How to fix

Upgrade to a fixed version: NetSetMan 5.0. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/163097/NetSetManPro-4.7.2-Privilege-Escalation.html
• http://seclists.org/fulldisclosure/2021/Jun/17
• https://www.netsetman.com
• https://www.secuvera.de
• https://www.secuvera.de/advisories/secuvera-SA-2021-01.txt
• http://packetstormsecurity.com/files/163097/NetSetManPro-4.7.2-Privilege-Escalation.html
• http://seclists.org/fulldisclosure/2021/Jun/17
• https://www.netsetman.com
• https://www.secuvera.de
• https://www.secuvera.de/advisories/secuvera-SA-2021-01.txt

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