What is CVE-2020-27284?

CVE-2020-27284 is a high-severity vulnerability in Deltaww Tpeditor, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-01-26.

How severe is CVE-2020-27284?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Deltaww Tpeditor

CVE-2020-27284

TPEditor (v1.98 and prior) is vulnerable to two out-of-bounds write instances in the way it processes project files, allowing an attacker to craft a special project file that may permit arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2021-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Deltaww Tpeditor
Tpeditor — versions v1.98 and prior

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

us-cert.cisa.gov/ics/advisories/icsa-21-021-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27284?: CVE-2020-27284 is a high-severity vulnerability in Deltaww Tpeditor, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-01-26.
How severe is CVE-2020-27284?: High severity. CVSS v3 base score is 7.8 out of 10.