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Last updated: 12/28/2014 1:50:29 PM

CVE Publication rate: 17.47

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Vulnerability Workload Index: 7.1
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Vulnerability Summary for CVE-2014-2321

Original release date: 03/11/2014
Last revised: 03/11/2014
Source: US-CERT/NIST

Overview

web_shell_cmd.gch on ZTE F460 and F660 cable modems allows remote attackers to obtain administrative access via sendcmd requests, as demonstrated by using "set TelnetCfg" commands to enable a TELNET service with specified credentials.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 (HIGH) (AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Solution

Per: http://www.kb.cert.org/vuls/id/600724 " It has been reported that the web_shell_cmd.gch script is sometimes accessible from the WAN interface making exploitation of this backdoor from the Internet possible in certain cases. "

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External Source: MISC
Name: https://community.rapid7.com/community/infosec/blog/2014/03/03/disclosure-r7-2013-18-zte-f460-and-zte-f660-webshellcmdgch-backdoor
External Source: MISC
Name: http://www.myxzy.com/post-411.html
US-CERT Vulnerability Note: CERT-VN
Name: VU#600724

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/h:zte:f660:-
* cpe:/h:zte:f460:-

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)