CVE-2020-37213

HIGH

TextCrawler Pro 3.1.1 - Denial of Service via License Key Field Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37213. PoCs published by stresser.

AI-analyzed exploit summary This PoC exploits a buffer overflow vulnerability in TextCrawler Pro 3.1.1 by generating a large payload (6000 bytes) and writing it to a file. When pasted into the 'License key' field and activated, it triggers a crash, demonstrating a Denial of Service (DoS) condition.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by stresser · pythondoswindows
https://www.exploit-db.com/exploits/47862

This PoC exploits a buffer overflow vulnerability in TextCrawler Pro 3.1.1 by generating a large payload (6000 bytes) and writing it to a file. When pasted into the 'License key' field and activated, it triggers a crash, demonstrating a Denial of Service (DoS) condition.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: TextCrawler Pro 3.1.1
No auth needed
Prerequisites: Python environment · TextCrawler Pro 3.1.1 installed on Windows
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/47862

Scores

CVSS v3 7.5
EPSS 0.0024
EPSS Percentile 14.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
DigitalVolcano Software/TextCrawler Pro 3.1.1
Published Feb 11, 2026
Tracked Since Feb 18, 2026