What is CVE-2023-0123?

CVE-2023-0123 is a high-severity vulnerability in Delta Industrial Automation Dopsoft, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-03.

How severe is CVE-2023-0123?

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

Is CVE-2023-0123 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Delta Industrial Automation Dopsoft

CVE-2023-0123

Delta Electronics DOPSoft versions 4.00.16.22 and prior are vulnerable to a stack-based buffer overflow, which could allow an attacker to remotely execute arbitrary code when a malformed file is introduced to the software.

Vulnerability class: Buffer Overflow

Published 2023-02-03 · 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: 0.002 (14.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Delta Industrial Automation Dopsoft — versions all versions
Deltaww Dopsoft

Weakness classification (CWE)

Public proof-of-concept exploits

dhalubiec/baw-project

References

www.cisa.gov/uscert/ics/advisories/icsa-23-031-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0123?: CVE-2023-0123 is a high-severity vulnerability in Delta Industrial Automation Dopsoft, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-03.
How severe is CVE-2023-0123?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-0123 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.