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CVE-2020-12493
CRITICAL
An open port used for debugging in SWARCOs CPU LS4000 Series with versions starting with G4... grants root access to the device without access control via network. A malicious user could use this vulnerability to get access to the device and disturb operations with connected devices.
Published: May 29, 2020
Modified: Jun 17, 2026
CWE-284
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| swarco | cpu_ls4000_firmware | g4 |
GitHub Security Advisory GHSA-2fp8-2m27-8mrc
An open port used for debugging in SWARCOs CPU LS4000 Series with versions starting with G4......
References (2)
- https://cert.vde.com/de-de/advisories/vde-2020-016 Third Party Advisory
- https://cert.vde.com/de-de/advisories/vde-2020-016 Third Party Advisory
Risk Scores
CVSS Score
10.0 / 10
EPSS Score
1.40%
Top 30% most likely to be exploited
Threat Score
40.4 / 100
Data Sources
NVD
EPSS
GitHub