CVE-2021-47894

HIGH
2026-01-23 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 26, 2026 - 15:03 vuln.today
Public exploit code
CVE Published
Jan 23, 2026 - 17:15 nvd
HIGH 7.5

Tags

Snmp Denial Of Service

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.

Analysis

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. [CVSS 7.5 HIGH]

Technical Context

This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) 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.

Affected Products

Managed Switch Port Mapping Tool 2.85.2 contains a denial of service vulnerability that

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: +20

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CVE-2021-47894 vulnerability details – vuln.today
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