"Open Explorer Beta" App for Android vulnerable to directory traversal


"Open Explorer Beta" App for Android provided by brandroid.org contains an issue in processing file names, which may result in a directory traversal (CWE-22) vulnerability.

Ryohei Koike of Sakura Information Systems Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None

Affected Products

  • "Open Explorer Beta" App for Android versions prior to 0.254


A remote, unauthenticated attacker may create an arbitrary file or overwrite an existing file in a directory that the application has privileges to access.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-2950

  1. JVN : JVN#95246510
  2. National Vulnerability Database (NVD) : CVE-2015-2950
Revision History

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