Nsasoft Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive Registration Key buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nsasoft Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive 2.2.5. Affected is an unknown function of the component Registration Key Handler. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2020-37194. The attack can only be executed locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in Nsasoft Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive 2.2.5. Affected by this vulnerability is an unknown functionality of the component Registration Key Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Backup Key Recovery 2.2.5 contains a denial of service vulnerability that allows attackers to crash the application by supplying an overly long registration key. Attackers can generate a 1000-character payload file and paste it into the registration key field to trigger an application crash.

The weakness was shared by Ismail Tasdelen as 47864. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2020-37194 since 02/10/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available.

It is possible to download the exploit 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 (47864). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

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: 6.4
VulDB 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): 🔒

CVSSv2info

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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
02/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 47864
Researcher: Ismail Tasdelen
Status: Not defined

CVE: CVE-2020-37194 (🔒)
GCVE (CVE): GCVE-0-2020-37194
GCVE (VulDB): GCVE-100-345619
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2026 22:48
Changes: 02/11/2026 22:48 (81)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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