CVE-2021-23242

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2021-23242
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-07T21:15:14
  • Last Modified Date
  • 2021-01-12T20:03:58
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mercusys:mercury_x18g:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.mercusys.com/en/ Vendor Advisory
https://www.mercurycom.com.cn/product-521-1.html Product Vendor Advisory
https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-23242
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23242
History
Created Old Value New Value Data Type Notes
2022-05-10 07:27:30 Added to TrackCVE
2022-12-05 19:33:00 2021-01-07T21:15Z 2021-01-07T21:15:14 CVE Published Date updated
2022-12-05 19:33:00 2021-01-12T20:03:58 CVE Modified Date updated
2022-12-05 19:33:00 Analyzed Vulnerability Status updated