CVE-2025-13768: Uniong｜WebITR - Authorization Bypass

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-28 · updated 2026-10-08
Weakness: CWE-639

Description

WebITR developed by Uniong has an Authentication Bypass vulnerability, allowing authenticated remote attackers to log into the system as any user by modifying a specific parameter. Attackers must first obtain a user ID to exploit this vulnerability.

Affected products

Uniong WebITR: before 2_1_0_34 — fixed in 2_1_0_34

How to fix

Upgrade to a fixed version: Uniong WebITR 2_1_0_34. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-10539-21f45-2.html
https://www.twcert.org.tw/tw/cp-132-10538-6a26d-1.html

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