National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-8858 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.8 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Zero Day Initiative
Base Score: 8.8 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') NIST   Zero Day Initiative  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:moxa:mgate_5105-mb-eip_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.1
Running on/with
 cpe:2.3:h:moxa:mgate_5105-mb-eip:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:moxa:mgate_5105-mb-eip-t_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.1
Running on/with
 cpe:2.3:h:moxa:mgate_5105-mb-eip-t:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-8858
NVD Published Date:
02/14/2020
NVD Last Modified:
02/19/2020