How severe is CVE-2020-37131?

CVE-2020-37131 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-37131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-37131?

CVE-2020-37131 affects Nsasoft Product Key Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-37131?

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

Does CVE-2020-37131 have an EU (EUVD) identifier?

Yes. CVE-2020-37131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31033.

When was CVE-2020-37131 published?

CVE-2020-37131 was published on 2026-02-05 and last updated on 2026-06-29.

CVE-2020-37131

CVE-2020-37131 is a medium-severity vulnerability in Nsasoft Product Key Explorer with a CVSS 3.x base score of 6.2. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v4: 6.7
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31033
Weakness: CWE-120
Affected product: Nsasoft Product Key Explorer
Published: 2026-02-05
Last modified: 2026-06-29

Description

Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.

Frequently asked questions

What is CVE-2020-37131?: Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.
How severe is CVE-2020-37131?: CVE-2020-37131 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-37131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-37131?: CVE-2020-37131 affects Nsasoft Product Key Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-37131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-37131 have an EU (EUVD) identifier?: Yes. CVE-2020-37131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31033.
When was CVE-2020-37131 published?: CVE-2020-37131 was published on 2026-02-05 and last updated on 2026-06-29.

References

Affected products (1)

cpe:2.3:a:nsasoft:product_key_explorer:4.2.2.0:*:*:*:*:*:*:*

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