CVE-2021-47814 Details
Description
NBMonitor 1.6.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a 256-character buffer into the registration key field to trigger an application crash and potential system instability.
A denial-of-service vulnerability has been identified in NBMonitor version 1.6.8. This issue allows attackers to crash the application by overflowing the registration code input field. By pasting a 256-character buffer into the registration key field, the application can be forced to crash, potentially leading to system instability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 16, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.exploit-db.com/exploits/49964 | [email protected] | ExploitThird Party Advisory |
| https://www.vulncheck.com/advisories/nbmonitor-denial-of-service-poc | [email protected] | Third Party Advisory |
| http://www.nsauditor.com | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nsasoft nbmonitor | 1.6.8 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 29, 2026 | Modified Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 29, 2026 | Initial Analysis | [email protected] |
| Jan 16, 2026 | New CVE Received | [email protected] |