What is CVE-2020-27277?

CVE-2020-27277 is a high-severity vulnerability in Deltaww Dopsoft, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2021-01-11.

How severe is CVE-2020-27277?

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

NULL pointer dereference in Deltaww Dopsoft

CVE-2020-27277

Delta Electronics DOPSoft Version 4.0.8.21 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.

Published 2021-01-11 · 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: 0.022 (81.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Deltaww Dopsoft
Delta Electronics — versions DOPSoft Version 4.0.8.21 and prior

Weakness classification (CWE)

References

us-cert.cisa.gov/ics/advisories/icsa-21-005-05 (US Government Resource, Third Party Advisory)
www.zerodayinitiative.com/advisories/ZDI-21-033/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27277?: CVE-2020-27277 is a high-severity vulnerability in Deltaww Dopsoft, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2021-01-11.
How severe is CVE-2020-27277?: High severity. CVSS v3 base score is 7.8 out of 10.