CVE-2021-47894

Managed Switch Port Mapping Tool 2.85.2 - Denial of Service

Published Jan 23, 2026 CVSS 4.0 · 6.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jenkins
Jenkins performance
CPEs cpe:2.3:a:jenkins:performance:2.85.2:*:*:*:*:jenkins:*:*
Vendors & Products Jenkins
Jenkins performance
Type Values Removed Values Added
First Time appeared Northwest Performance Software
Northwest Performance Software managed Switch Port Mapping Tool
Vendors & Products Northwest Performance Software
Northwest Performance Software managed Switch Port Mapping Tool
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Managed Switch Port Mapping Tool 2.85.2 - Denial of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:47 AM
Reserved
Jan 18, 2026, 12:35 PM
Status
Deferred
Published
Jan 23, 2026, 5:15 PM
Modified
Jun 17, 2026, 4:18 AM