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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00028.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
DigitalVolcano Software TextCrawler Pro affected
Version Status Constraints
3.1.1 affected —

No data.

No data.

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Vendors Products
Digitalvolcano Software Subscribe
Textcrawler Pro Subscribe

Project Subscriptions

Vendors Products
Digitalvolcano Software Subscribe
Textcrawler Pro Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.digitalvolcano.co.uk/index.html cve-icon cve-icon
https://www.exploit-db.com/exploits/47862 cve-icon cve-icon
https://www.vulncheck.com/advisories/textcrawler-pro-denial-of-service cve-icon cve-icon
History

Thu, 12 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Thu, 12 Feb 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Digitalvolcano Software
Digitalvolcano Software textcrawler Pro
Vendors & Products Digitalvolcano Software
Digitalvolcano Software textcrawler Pro

Wed, 11 Feb 2026 21:00:00 +0000

Type Values Removed Values Added
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.
Title TextCrawler Pro3.1.1 - Denial of Service
Weaknesses CWE-120
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-12T15:47:50.775Z

Reserved: 2026-02-10T18:53:18.033Z

Link: CVE-2020-37213

cve-icon Vulnrichment

Updated: 2026-02-12T15:47:46.559Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-11T21:16:17.003

Modified: 2026-02-12T15:10:37.307

Link: CVE-2020-37213

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-12T09:03:21Z

Weaknesses