What’s Vulnerable › Vulnerabilities

CVE-2020-3920: Unisoon UltraLog Express - Broken Authentication

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-27 · updated 2026-06-17
• Weakness: CWE-306

Description

UltraLog Express device management interface does not properly perform access authentication in some specific pages/functions. Any user can access the privileged page to manage accounts through specific system directory.

Affected products

• Unisoon UltraLog Express: 1.4.0

References

• https://www.twcert.org.tw/tw/cp-132-3452-937d6-1.html
• https://www.twcert.org.tw/tw/cp-132-3452-937d6-1.html

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