CVE-2020-8858

CVSS V2 High 9 CVSS V3 High 8.8
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.
Overview
  • CVE ID
  • CVE-2020-8858
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-02-14T18:15:11
  • Last Modified Date
  • 2020-02-19T18:53:46
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:moxa:mgate_5105-mb-eip_firmware:*:*:*:*:*:*:*:* 1 OR 4.1
cpe:2.3:h:moxa:mgate_5105-mb-eip:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:mgate_5105-mb-eip-t_firmware:*:*:*:*:*:*:*:* 1 OR 4.1
cpe:2.3:h:moxa:mgate_5105-mb-eip-t:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9
  • Severity
  • HIGH
  • Exploitability Score
  • 8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-8858
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8858
History
Created Old Value New Value Data Type Notes
2022-05-10 16:49:24 Added to TrackCVE
2022-12-04 11:24:37 2020-02-14T18:15Z 2020-02-14T18:15:11 CVE Published Date updated
2022-12-04 11:24:37 2020-02-19T18:53:46 CVE Modified Date updated
2022-12-04 11:24:37 Analyzed Vulnerability Status updated