CVE-2020-37196

Dnss Domain Name Search Software - 'Key' Denial of Service

CVSS 4.6 MEDIUMEPSS 0.5%CWE-120

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.6EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by providing an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected products

Nsasoft · Nsauditor Dnss Domain Name Search Software

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References

https://www.exploit-db.com/exploits/47856 https://www.vulncheck.com/advisories/dnss-domain-name-search-software-key-denial-of-service http://www.nsauditor.com/