CVE-2020-37199

4.6 mediumEPSS 0.5%

Medium (4.6) in nsasoft nbmonitor. EPSS 0.5% chance of exploitation in the next 30 days.

NBMonitor 1.6.6.0 contains a denial of service vulnerability in its registration key input that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.

Severity

CVSS 4.0

4.6 medium

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2026-02-11
Modified: 2026-06-29
Record from: the NVD, synced 2026-10-19

Affected

nsasoft:nbmonitor

References

http://www.nsauditor.com/
https://www.exploit-db.com/exploits/47866
https://www.vulncheck.com/advisories/nbmonitor-key-denial-of-service

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