CVE-2021-47894

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Managed Switch Port Mapping Tool 2.85.2 contains a denial of service vulnerability that allows attackers to crash the application by creating an oversized buffer. Attackers can generate a 10,000-character buffer and paste it into the IP Address and SNMP Community Name fields to trigger the application crash.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
Northwest Performance Software, Inc.	Managed Switch Port Mapping Tool	2.85.2

References

Timeline

Published: Jan 23, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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