SONY Portable Wireless Server WG-C10 fails to restrict access permissions


Portable Wireless Server WG-C10 provided by Sony Corporation fails to restrict access permissions (CWE-284).

Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.3 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

Sony Corporation
  • WG-C10 v3.0.79 and earlier


An authenticated attacker may obtain or alter information stored in the external storage connected to product.

[Apply a Workaround]
The following workarounds may mitigate the affects of this vulnerability.

* Avoid using public wireless LAN service

For more information, please refer to the developer's website.
Vendor Information

Sony Corporation
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2277

  1. JVN : JVN#77412145
  2. National Vulnerability Database (NVD) : CVE-2017-2277
Revision History

  • [2017/07/19]
      Web page was published
      References : Content was added