What is CVE-2023-34347?

CVE-2023-34347 is a critical-severity vulnerability in Delta Electronics Infrasuite Device Master, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-07-10.

How severe is CVE-2023-34347?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Delta Electronics Infrasuite Device Master

CVE-2023-34347

Delta Electronics InfraSuite Device Master versions prior to 1.0.7 contains classes that cannot be deserialized, which could allow an attack to remotely execute arbitrary code.

Vulnerability class: Insecure Deserialization

Published 2023-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Delta Electronics Infrasuite Device Master — versions 0
Deltaww Infrasuite Device Master

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.cisa.gov/news-events/ics-advisories/icsa-23-180-01 (US Government Resource, Patch, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2023-34347?: CVE-2023-34347 is a critical-severity vulnerability in Delta Electronics Infrasuite Device Master, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-07-10.
How severe is CVE-2023-34347?: Critical severity. CVSS v3 base score is 9.8 out of 10.