Buffer overflow in Delta Electronics Dopsoft 2

CVE-2021-38402

Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could lead to a stack-based buffer overflow while trying to copy to a buffer during font string handling. An attacker could leverage this vulnerability to execute code in the context of the current process.

Vulnerability class: Buffer Overflow

Published · last modified .

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: 0.071 (94.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-38402: fell from 0.077 to 0.071.

EPSS over last 30 days · oldest: 0.077 · newest: 0.071 · change: -0.006

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-38402?
CVE-2021-38402 is a high-severity vulnerability in Delta Electronics Dopsoft 2, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-09-17.
How severe is CVE-2021-38402?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-38402 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.