What’s Vulnerable › Vulnerabilities

CVE-2020-12493: Critical Vulnerability in SWARCO CPU LS4000

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-29 · updated 2026-06-17
• Weakness: CWE-284

Description

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.

Affected products

• SWARCO CPU LS4000: g4

References

• https://cert.vde.com/de-de/advisories/vde-2020-016
• https://cert.vde.com/de-de/advisories/vde-2020-016

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