What is CVE-2020-37213?

CVE-2020-37213 is a high-severity vulnerability in Digitalvolcano Software Textcrawler Pro, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.

How severe is CVE-2020-37213?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Digitalvolcano Software Textcrawler Pro

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.

Vulnerability class: Buffer Overflow

Published 2026-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Digitalvolcano Software Textcrawler Pro — versions 3.1.1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.exploit-db.com/exploits/47862 (exploit)
www.digitalvolcano.co.uk/index.html (product)
www.vulncheck.com/advisories/textcrawler-pro-denial-of-service (third-party-advisory)

Frequently asked questions

What is CVE-2020-37213?: CVE-2020-37213 is a high-severity vulnerability in Digitalvolcano Software Textcrawler Pro, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.
How severe is CVE-2020-37213?: High severity. CVSS v3 base score is 7.5 out of 10.