Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Moxa | Mgate 5105-Mb-Eip Firmware | <= 4.1 |
| Moxa | Mgate 5105-Mb-Eip | - |
| Moxa | Mgate 5105-Mb-Eip-T Firmware | <= 4.1 |
| Moxa | Mgate 5105-Mb-Eip-T | - |
Related Weaknesses (CWE)
References
- https://www.moxa.com/en/support/support/security-advisory/mgate-5105-mb-eip-seriVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-214/Third Party AdvisoryVDB Entry
- https://www.moxa.com/en/support/support/security-advisory/mgate-5105-mb-eip-seriVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-214/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-8858?
CVE-2020-8858 is a vulnerability with a CVSS score of 8.8 (HIGH). 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....
How severe is CVE-2020-8858?
CVE-2020-8858 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8858?
Check the references section above for vendor advisories and patch information. Affected products include: Moxa Mgate 5105-Mb-Eip Firmware, Moxa Mgate 5105-Mb-Eip, Moxa Mgate 5105-Mb-Eip-T Firmware, Moxa Mgate 5105-Mb-Eip-T.