How severe is CVE-2021-34546?

CVE-2021-34546 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34546?

CVE-2021-34546 affects Netsetman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-34546 published?

CVE-2021-34546 was published on 2021-06-10 and last updated on 2026-06-17.

CVE-2021-34546

CVE-2021-34546 is a medium-severity vulnerability in Netsetman with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Netsetman
Published: 2021-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-34546?: 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.
How severe is CVE-2021-34546?: CVE-2021-34546 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34546?: CVE-2021-34546 affects Netsetman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34546 published?: CVE-2021-34546 was published on 2021-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netsetman:netsetman:*:*:*:*:pro:*:*:*

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