Denial of Service Vulnerability in Backup Key Recovery by NSA
CVE-2019-25599

6.9MEDIUM

Key Information:

Vendor

Nsauditor

Status
Backup Key Recovery
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25599?

The Backup Key Recovery 2.2.4 application contains a denial of service vulnerability that can be exploited by local attackers. By entering an excessively long string (300 characters or more) in the Name field during the registration process, attackers can trigger a crash of the application upon form submission. This vulnerability highlights the importance of robust input validation measures in preventing application downtime.

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Deploy the Patch

Affected Version(s)

Backup Key Recovery 2.2.4

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-2019-25599 - Proof of Concept

References

https://www.exploit-db.com/exploits/46750
exploit
http://www.nsauditor.com/downloads/backeyrecovery_setup.exe
product
https://www.vulncheck.com/advisories/backup-key-recovery-...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Victor Mondragón
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