Read the docs
TI-2020-09988 Aliases CVE-2020-12493GHSA-2fp8-2m27-8mrc

Critical Vulnerability in SWARCO CPU LS4000

Priority MEDIUM 46CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

EPSS 0.01403 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SWARCOCPU LS4000Operating System G4...—No fix listedCNA
  • CPU LS4000 VendorSWARCO Affected Operating System G4... Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:swarco:cpu_ls4000_firmware:g4:*:*:*:*:*:*:*g4VulnerableSWARCO
  • cpe:2.3:o:swarco:cpu_ls4000_firmware:g4:*:*:*:*:*:*:* Versions g4 Vulnerable ·SWARCO

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12493
  2. 2026-10-03 Alias added: GHSA-2fp8-2m27-8mrc

References

Sources