Directory Traversal Vulnerability in MERCUSYS Mercury X18G Devices
CVE-2021-23241

5.3MEDIUM

Key Information:

Vendor

Mercusys

Status
Mercury X18g Firmware
Vendor
CVE Published:
7 January 2021

What is CVE-2021-23241?

The vulnerability allows unauthorized access to sensitive files on MERCUSYS Mercury X18G devices by exploiting a path traversal flaw. Attackers can bypass authentication using specific URI patterns such as '/loginLess/../../etc/passwd', gaining access to confidential data on the web server. This exposure could lead to further exploitation and compromise the integrity of the affected system.

References

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

57% chance of being exploited in the next 30 days.

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

.