[Japanese]

JVNDB-2021-000039

RFNTPS vulnerable to OS command injection

Overview

RFNTPS provided by NIPPON ANTENNA Co.,Ltd. is a terrestrial reception type NTP server. RFNTPS contains an OS command injection vulnerability (CWE-78).

Tomoomi Iwata of NEC Corporation 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 8.8 (High) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 5.8 (Medium) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products


NIPPON ANNTENA Co.,Ltd.
  • RFNTPS firmware versions System_01000004, Web_01000004 and earlier

Impact

A user on the same LAN who can access the product may execute an arbitrary OS command with root privilege.
Solution

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

NIPPON ANNTENA Co.,Ltd.
CWE (What is CWE?)

  1. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20719
References

  1. JVN : JVN#13076220
  2. National Vulnerability Database (NVD) : CVE-2021-20719
Revision History

  • [2021/05/13]
      Web page was published

Date Public2021/05/13
Date First Published2021/05/13
Date Last Updated2021/05/13