CVE-2020-3936
Unisoon UltraLog Express - SQL Injection
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
10.0
Unisoon UltraLog Express - SQL Injection
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
- Record
CVE-2020-3936- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
EUVDEUVD-2020-25201
10.0
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
- Record
EUVD-2020-25201- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-chfh-m75v-856c
9.8
UltraLog Express device management interface does not properly filter user inputted string in...
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
- Record
GHSA-chfh-m75v-856c- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
NVD
10.0
UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.
- Record
CVE-2020-3936- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- 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-2020-3936 is a critical vulnerability (CVSS 10.0) 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 1.25%, the 69th percentile. No source names a fixed version.