What is CVE-2025-4559?

CVE-2025-4559 is a critical-severity vulnerability in Netvision Isoinsight, classified under SQL Injection. CVSS score: 9.8/10. Published 2025-05-12.

How severe is CVE-2025-4559?

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

SQL Injection in Netvision Isoinsight

CVE-2025-4559

The ISOinsight from Netvision has a SQL Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary SQL commands to read, modify, and delete database contents.

Vulnerability class: SQL Injection

Published 2025-05-12 · 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: 0.005 (41.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Netvision Isoinsight — versions 2.9.0, 3.0.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.twcert.org.tw/tw/cp-132-10116-784e0-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-10117-57344-2.html (third-party-advisory)

Frequently asked questions

What is CVE-2025-4559?: CVE-2025-4559 is a critical-severity vulnerability in Netvision Isoinsight, classified under SQL Injection. CVSS score: 9.8/10. Published 2025-05-12.
How severe is CVE-2025-4559?: Critical severity. CVSS v3 base score is 9.8 out of 10.