CVE-2020-3920 json
Unisoon UltraLog Express - Broken Authentication
published 2020-03-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25185
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:P/I:P/A:N |
Affected products
- Unisoon UltraLog Express
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
twcert.org.tw
/tw/cp-132-3452-937d6-1.html
third-party-advisory
Sources
- CVE List CVE-2020-3920
- NVD CVE-2020-3920
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.