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TI-2020-07112 Aliases CVE-2020-8858GHSA-8qrp-hmq9-5pcx

OS command injection in Moxa MGate 5105-MB-EIP

Priority MEDIUM 49CWE-78Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Moxa MGate 5105-MB-EIP firmware version 4.1. Authentication is required to exploit this vulnerability. The specific flaw exists within the DestIP parameter within MainPing.asp. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9552.

Why it matters now

EPSS 0.08577 95th 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
MoxaMGate 5105-MB-EIPfirmware version 4.1—No fix listedCNA
  • MGate 5105-MB-EIP VendorMoxa Affected firmware version 4.1 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:moxa:mgate_5105-mb-eip_firmware:*:*:*:*:*:*:*:*up to 4.1VulnerableMoxa
cpe:2.3:h:moxa:mgate_5105-mb-eip:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:mgate_5105-mb-eip-t_firmware:*:*:*:*:*:*:*:*up to 4.1VulnerableMoxa
cpe:2.3:h:moxa:mgate_5105-mb-eip-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
  • cpe:2.3:o:moxa:mgate_5105-mb-eip_firmware:*:*:*:*:*:*:*:* Versions up to 4.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5105-mb-eip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
  • cpe:2.3:o:moxa:mgate_5105-mb-eip-t_firmware:*:*:*:*:*:*:*:* Versions up to 4.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5105-mb-eip-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-8858
  2. 2026-10-03 Alias added: GHSA-8qrp-hmq9-5pcx
  3. 2026-10-14 EPSS moved to the 95th–99th percentile

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences