What is CVE-2023-4452?

CVE-2023-4452 is a medium-severity vulnerability in Moxa Edr-810-2gsfp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2023-11-01.

How severe is CVE-2023-4452?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Moxa Edr-810-2gsfp

CVE-2023-4452

A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.

Vulnerability class: Buffer Overflow

Published 2023-11-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (37.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.moxa.com/en/support/product-support/security-advisory/mpsa-234880-edr-810-g… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-4452?: CVE-2023-4452 is a medium-severity vulnerability in Moxa Edr-810-2gsfp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2023-11-01.
How severe is CVE-2023-4452?: Medium severity. CVSS v3 base score is 6.5 out of 10.