What is CVE-2025-9254?

CVE-2025-9254 is a critical-severity vulnerability in Uniong Webitr, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-08-22.

How severe is CVE-2025-9254?

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

Auth bypass in Uniong Webitr

CVE-2025-9254

WebITR developed by Uniong has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to log into the system as arbitrary users by exploiting a specific functionality.

Vulnerability class: Broken Authentication

Published 2025-08-22 · 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: 0.006 (49.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Uniong Webitr — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.twcert.org.tw/tw/cp-132-10328-dbc35-1.html (Third Party Advisory, third-party-advisory)
www.twcert.org.tw/en/cp-139-10329-a1c5d-2.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-9254?: CVE-2025-9254 is a critical-severity vulnerability in Uniong Webitr, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-08-22.
How severe is CVE-2025-9254?: Critical severity. CVSS v3 base score is 9.8 out of 10.