Nsasoft Nsauditor Dnss Domain Name Search Software - Registration Key buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Nsasoft Nsauditor Dnss Domain Name Search Software -. It has been classified as critical. This vulnerability affects unknown code of the component Registration Key Handler. The manipulation leads to buffer overflow. This vulnerability is listed as CVE-2020-37196. The attack must be carried out locally. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Nsasoft Nsauditor Dnss Domain Name Search Software - and classified as critical. This issue affects an unknown code block of the component Registration Key Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Ismail Tasdelen as 47856. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-37196 since 02/10/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47856). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/10/2026 CVE reserved
02/11/2026 +1 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
06/29/2026 +138 days VulDB entry last update

Sourcesinfo

Advisory: 47856
Researcher: Ismail Tasdelen
Status: Not defined

CVE: CVE-2020-37196 (🔒)
GCVE (CVE): GCVE-0-2020-37196
GCVE (VulDB): GCVE-100-345623
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2026 22:49
Updated: 06/29/2026 21:03
Changes: 02/11/2026 22:49 (80), 06/29/2026 21:03 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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