CVE-2020-37213

TextCrawler Pro 3.1.1 contains a denial of service vulnerability that allows attackers to crash the application by sending an oversized buffer in the license key field. Attackers can generate a 6000-byte payload and paste it into the activation field to trigger an 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://www.digitalvolcano.co.uk/index.html
https://www.exploit-db.com/exploits/47862
https://www.vulncheck.com/advisories/textcrawler-pro-denial-of-service

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) TextCrawler Pro 3.1.1 contiene una vulnerabilidad de denegación de servicio que permite a los atacantes bloquear la aplicación enviando un búfer sobredimensionado en el campo de la clave de licencia. Los atacantes pueden generar una carga útil de 6000 bytes y pegarla en el campo de activación para provocar un bloqueo de la aplicación.

11 Feb 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-11 21:16

Updated : 2026-04-15 00:35

NVD link : CVE-2020-37213

Mitre link : CVE-2020-37213

CVE.ORG link : CVE-2020-37213

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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