CVE-2020-3920 | BDVDB-2026-133183 Detail

UnisoonUltraLog Express

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

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

Exploit#

No public exploit known

History#

Version 12020-03-27Record published in the CVE List.
Version 22024-09-17Most recent update recorded in the CVE List.

Published

Published: 2020-03-27
Last modified: 2024-09-17

Vendor information

Vendor: Unisoon
Product: UltraLog Express

All Unisoon vulnerabilities

Score

8.1 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 58.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.4.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).