CVE-2021-47894 - CVE House
Back to Database
Status published Medium CVE-2021-47894

Managed Switch Port Mapping Tool 2.85.2 - Denial of Service

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-47894

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ismael Nava

References

More from Northwest Performance Software, Inc.

View All →
CVE-2019-25326
ipPulse 1.92 - 'Enter Key' Denial of Service
Medium 4.6

Affected Vendor

Northwest Performance Software, Inc.

View all reports →

Affected Software

Managed Switch Port Mapping Tool
Vulnerable Versions:
2.85.2

Timeline

Official Publish: January 23rd, 2026
Last Modified: January 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery