CVEvulnerability
CVE-2020-8858
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-02-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-78
Description
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.
Affected configurations
• moxa mgate 5105-mb-eip firmware (<= 4.1)
• moxa mgate 5105-mb-eip-t firmware (<= 4.1)
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://www.moxa.com/en/support/support/security-advisory/mgate-5105-mb-eip-series-protocol-gateways-vulnerability Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-214/ Third Party Advisory, VDB Entry
- https://www.moxa.com/en/support/support/security-advisory/mgate-5105-mb-eip-series-protocol-gateways-vulnerability Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-214/ Third Party Advisory, VDB Entry