Denial of Service Vulnerability in Backup Key Recovery by NSAuditor
CVE-2020-37185

4.6MEDIUM

Key Information:

Vendor

Nsasoft

Status
Nsauditor Backup Key Recovery
Vendor
CVE Published:
11 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37185?

The Backup Key Recovery application version 2.2.5 is susceptible to a denial of service vulnerability caused by an unchecked input field. Attackers can exploit this weakness by entering an excessively long payload—up to 1000 characters—into the registration name field, resulting in the application becoming unresponsive and crashing. This vulnerability emphasizes the necessity for input validation and robust error handling to prevent exploitation.

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Deploy the Patch

Affected Version(s)

Nsauditor Backup Key Recovery 2.2.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37185 - Proof of Concept

References

https://www.exploit-db.com/exploits/47909
exploit
http://www.nsauditor.com/
product
https://www.vulncheck.com/advisories/backup-key-recovery-...
third-party-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismail Tasdelen
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