What is CVE-2020-37189?

CVE-2020-37189 is a high-severity vulnerability in Digitalvolcano Software Taskcanvas, 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-2020-37189?

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

Buffer overflow in Digitalvolcano Software Taskcanvas

CVE-2020-37189

TaskCanvas 1.4.0 contains a denial of service vulnerability in the registration code input field that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the registration fiel…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.

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.

Affected products

Digitalvolcano Software Taskcanvas — versions 1.4.0

Weakness classification (CWE)

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

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-37189?: CVE-2020-37189 is a high-severity vulnerability in Digitalvolcano Software Taskcanvas, 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-2020-37189?: High severity. CVSS v3 base score is 7.5 out of 10.