CVE-2021-23242 - Vulnerability Details - OpenCVE

Description

MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.

Published: 2021-01-07

Score: 5.3 Medium

EPSS: 1.8% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:*

cpe:2.3:h:mercusys:mercury_x18g:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-10341	MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.01807.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md
https://www.mercurycom.com.cn/product-521-1.html
https://www.mercusys.com/en/

History

No history.

Subscriptions

Mercusys Mercury X18g Mercury X18g Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-01-07T20:19:22.000Z

Updated: 2024-08-03T19:05:54.553Z

Reserved: 2021-01-07T00:00:00.000Z

Link: CVE-2021-23242

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-01-07T21:15:14.370

Modified: 2026-06-17T03:38:28.167

Link: CVE-2021-23242

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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