Vulnerability · CVE-2020-37196
Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by providing an oversized registration key.
Published Feb 11, 2026 · catalog updated Feb 12, 2026 · Nsasoft Nsauditor Dnss Domain Name Search Software
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2020-37196. EPSS is 0.51%. Act only if a listed version of Nsasoft Nsauditor Dnss Domain Name Search Software is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2020-37197 · Medium
- Severity
- Medium4.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.51%
- Remediation
- Vendor / distro source
- Affected products
- vendor Nsasoft Nsauditor Dnss Domain Name Search Software -
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Nsasoft Nsauditor Dnss Domain Name Search Software --
How to fix CVE-2020-37196
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2020-37196. EPSS is 0.51%. Act only if a listed version of Nsasoft Nsauditor Dnss Domain Name Search Software is installed.
Which versions are affected?
Compare what you have installed with Nsasoft Nsauditor Dnss Domain Name Search Software - -. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 11, 2026 · EUVD
Detected
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.
Feb 12, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2020-37196
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-37196
30-day exploitation probability 0.51%
first.org - EUVDVulnerability recordEUVD-2020-31178
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
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- FIRST EPSSNov 3, 2026
- EUVDNov 3, 2026