VDB-167439 · CVE-2021-23242 · GCVE-0-2021-23242

Mercusys Mercury X18G 1.0.5 UPnP Server uhttpd.json pathname traversal

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Mercusys Mercury X18G 1.0.5. This affects an unknown function of the file /../../conf/template/uhttpd.json of the component UPnP Server. Performing a manipulation results in pathname traversal. This vulnerability is cataloged as CVE-2021-23242. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mercusys Mercury X18G 1.0.5. This affects some unknown processing of the file /../../conf/template/uhttpd.json of the component UPnP Server. The manipulation with an unknown input leads to a pathname traversal vulnerability. CWE is classifying the issue as CWE-21. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 01/08/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-23242. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

By approaching the search of inurl:../../conf/template/uhttpd.json it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Mercusys

Name

Mercury X18G

Version

1.0.5

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/08/2021 🔍
01/08/2021 +0 days 🔍
01/08/2021 +0 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-23242 (🔍)
GCVE (CVE): GCVE-0-2021-23242
GCVE (VulDB): GCVE-100-167439

Entryinfo

Created: 01/08/2021 07:56
Changes: 01/08/2021 07:56 (37)
Complete: 🔍
Cache ID: 216::103