CVE-2020-3921
Unisoon UltraLog Express - Sensitive Data Exposure
UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Unisoon UltraLog Express - Sensitive Data Exposure
UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.
- Record
CVE-2020-3921- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2020-25186
UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.
- Record
EUVD-2020-25186- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rj8p-c8g2-ppv6
UltraLog Express device management software stores user’s information in cleartext. Any user can...
UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.
- Record
GHSA-rj8p-c8g2-ppv6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200, CWE-312
- Updated
- 2026-11-02
NVD
UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.
- Record
CVE-2020-3921- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-3921 is a high vulnerability (CVSS 8.6) in Unisoon Ultralog Express, published March 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. No source names a fixed version.