CVE-2021-33019

Name: CVE-2021-33019
Creator: NVD / NIST
Published: 2021-08-30T18:15:09.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.38%

Last modified Jun 17, 2026

CVE-2021-33019 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A stack-based buffer overflow vulnerability in Delta Electronics DOPSoft Version 4.00.11 and prior may be exploited by processing a specially crafted project file, which may allow an attacker to execute arbitrary code.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.

Description

A stack-based buffer overflow vulnerability in Delta Electronics DOPSoft Version 4.00.11 and prior may be exploited by processing a specially crafted project file, which may allow an attacker to execute arbitrary code.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

2.38%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Deltaww	Dopsoft	<= 4.00.11

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-238-04Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1059/Third Party Advisory, VDB Entry
https://us-cert.cisa.gov/ics/advisories/icsa-21-238-04Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1059/Third Party Advisory, VDB Entry

Timeline

Published: Aug 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33019?

How severe is CVE-2021-33019?

CVE-2021-33019 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33019?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33019?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST