Nsasoft Nsauditor NBMonitor 1.6.6.0 Registration Key buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Nsasoft Nsauditor NBMonitor 1.6.6.0. The impacted element is an unknown function of the component Registration Key Handler. Performing a manipulation of the argument Key results in buffer overflow. This vulnerability is reported as CVE-2020-37199. The attack requires a local approach. Moreover, an exploit is present.
Details
A vulnerability classified as critical has been found in Nsasoft Nsauditor NBMonitor 1.6.6.0. This affects some unknown functionality of the component Registration Key Handler. The manipulation of the argument Key with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
NBMonitor 1.6.6.0 contains a denial of service vulnerability in its registration key input that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.
The weakness was disclosed by Ismail Tasdelen as 47866. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2020-37199 since 02/10/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known.
The exploit is shared for download 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 (47866). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: 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: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Exploit-DB: 🔒
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/10/2026 CVE reserved02/11/2026 Advisory disclosed
02/11/2026 VulDB entry created
02/11/2026 VulDB entry last update
Sources
Advisory: 47866Researcher: Ismail Tasdelen
Status: Not defined
CVE: CVE-2020-37199 (🔒)
GCVE (CVE): GCVE-0-2020-37199
GCVE (VulDB): GCVE-100-345627
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/11/2026 22:51Changes: 02/11/2026 22:51 (81)
Complete: 🔍
Cache ID: 216:7DF:103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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