CVE-2021-47814

EUVD-2026-3019
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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
VulnCheckCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Affected Products (NVD)
VendorProductVersion
nsasoftnbmonitor
1.6.8
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.nsauditor.com
https://www.exploit-db.com/exploits/49964
https://www.vulncheck.com/advisories/nbmonitor-denial-of-service-poc