Directory Traversal Vulnerability in MERCUSYS Mercury X18G Devices
CVE-2021-23242

5.3MEDIUM

Key Information:

Vendor

Mercusys

Status
Mercury X18g Firmware
Vendor
CVE Published:
7 January 2021

What is CVE-2021-23242?

The MERCUSYS Mercury X18G devices version 1.0.5 are susceptible to a directory traversal vulnerability that permits unauthorized access to filesystem directories. By exploiting this vulnerability, an attacker could manipulate the UPnP server to retrieve sensitive configuration files, including '/../../conf/template/uhttpd.json', potentially exposing critical system information and leading to other security risks.

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References

https://www.mercusys.com/en/
x_refsource_MISC
https://www.mercurycom.com.cn/product-521-1.html
x_refsource_MISC
https://github.com/BATTZION/MY_REQUEST/blob/master/Mercur...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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