CVE-2021-47894

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://switchportmapper.com/
https://switchportmapper.com/download.htm
https://www.exploit-db.com/exploits/49566
https://www.vulncheck.com/advisories/managed-switch-port-mapping-tool-denial-of-service
https://www.exploit-db.com/exploits/49566

Configurations

No configuration.

History

23 Jan 2026, 22:16

Type	Values Removed	Values Added
References	~~() https://www.exploit-db.com/exploits/49566 -~~	() https://www.exploit-db.com/exploits/49566 -

23 Jan 2026, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-23 17:15

Updated : 2026-01-26 15:03

NVD link : CVE-2021-47894

Mitre link : CVE-2021-47894

CVE.ORG link : CVE-2021-47894

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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