Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) - Nessus

Critical Plugin ID: 149454

This page contains detailed information about the Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 149454
Name: Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR)
Filename: cisco-sa-hyperflex-rce-TjjNrkpR.nasl
Vulnerability Published: 2021-05-05
This Plugin Published: 2021-05-13
Last Modification Time: 2022-01-21
Plugin Version: 1.7
Plugin Type: remote
Plugin Family: CISCO
Dependencies: cisco_hyperflex_web_api_detect.nbin
Required KB Items [?]: Host/OS/Cisco_HyperFlex_web_API

Vulnerability Information

Severity: Critical
Vulnerability Published: 2021-05-05
Patch Published: 2021-05-05
CVE [?]: CVE-2021-1497, CVE-2021-1498
CPE [?]: cpe:/a:cisco:hyperflex_hx-series_software

Synopsis

The remote device is missing a vendor-supplied security patch

Description

The version of Cisco HyperFlex HX installed on the remote host is affected by multiple command injection vulnerabilities. An unauthenticated, remote attacker can exploit these to execute arbitrary commands on an affected system.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvx36014, CSCvx36019, CSCvx37435

Public Exploits

Target Network Port(s): 80, 443
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) vulnerability:

Metasploit: exploit/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec
[Cisco HyperFlex HX Data Platform Command Execution]
GitHub: https://github.com/EdgeSecurityTeam/Vulnerability
[CVE-2021-1497]
GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2021-1497]
GitHub: https://github.com/EdgeSecurityTeam/Vulnerability
[CVE-2021-1498]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS Score Source [?]: CVE-2021-1497
CVSS V2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.7 (High)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	9.4 (Critical)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.4 (Critical)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(149454);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/21");

  script_cve_id("CVE-2021-1497", "CVE-2021-1498");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvx36014");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvx36019");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvx37435");
  script_xref(name:"CISCO-SA", value:"cisco-sa-hyperflex-rce-TjjNrkpR");
  script_xref(name:"IAVA", value:"2021-A-0237");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");

  script_name(english:"Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch");
  script_set_attribute(attribute:"description", value:
"The version of Cisco HyperFlex HX installed on the remote host is affected by multiple command injection 
vulnerabilities. An unauthenticated, remote attacker can exploit these to execute arbitrary commands on an affected 
system.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version 
number.");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c9228075");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx36014");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx36019");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx37435");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvx36014, CSCvx36019, CSCvx37435");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-1497");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Cisco HyperFlex HX Data Platform Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_cwe_id(78);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/05/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/05/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/05/13");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:hyperflex_hx-series_software");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CISCO");

  script_copyright(english:"This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("cisco_hyperflex_web_api_detect.nbin");
  script_require_keys("Host/OS/Cisco_HyperFlex_web_API");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

include('http.inc');
include('vcf.inc');

var port = get_http_port(default:80);
var app_info = vcf::get_app_info(app:'Cisco HyperFlex', port:port);

vcf::check_granularity(app_info:app_info, sig_segments:3);

var constraints = [
  {'fixed_version':'4.0.2e'}, 
  {'min_version':'4.5.0', 'fixed_version':'4.5.2a'}
];

vcf::check_version_and_report(
  app_info:app_info, 
  constraints:constraints, 
  severity:SECURITY_HOLE
);

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/cisco-sa-hyperflex-rce-TjjNrkpR.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\cisco-sa-hyperflex-rce-TjjNrkpR.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/cisco-sa-hyperflex-rce-TjjNrkpR.nasl

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How to Run

Here is how to run the Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select CISCO plugin family.
On the right side table select Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) plugin ID 149454.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl cisco-sa-hyperflex-rce-TjjNrkpR.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a cisco-sa-hyperflex-rce-TjjNrkpR.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - cisco-sa-hyperflex-rce-TjjNrkpR.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state cisco-sa-hyperflex-rce-TjjNrkpR.nasl -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:

2021-A-0237

Cisco Bug ID:

CSCvx36014, CSCvx36019, CSCvx37435

Cisco Security Advisory:

cisco-sa-hyperflex-rce-TjjNrkpR

CWE | Common Weakness Enumeration:

CWE-78 (Weakness) Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

See also:

Similar and related Nessus plugins:

149979 - Cisco HyperFlex HX Command Injection Direct Check (cisco-sa-hyperflex-rce-TjjNrkpR)
142660 - Cisco SD-WAN vManage Software Authorization Bypass (cisco-sa-vmanuafw-ZHkdGGEy)
143150 - Cisco Integrated Management Controller RCE (cisco-sa-ucs-api-rce-UXwpeDHd)
143154 - Cisco IOS XE Software Packet Filtering Bypass (cisco-sa-cedge-filt-bypass-Y6wZMqm4)
143155 - Cisco IOS XE SD-WAN Software Packet Filtering Bypass (cisco-sa-cedge-filt-bypass-Y6wZMqm4)
143475 - Cisco Webex Meetings Information Disclosure (cisco-sa-webex-infodisc-4tvQzn4)
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145501 - Cisco SD-WAN vManage Information Disclosure (cisco-sa-sdwan-vinfdis-MC8L58dj)
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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file cisco-sa-hyperflex-rce-TjjNrkpR.nasl version 1.7. For more plugins, visit the Nessus Plugin Library.

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Cisco HyperFlex HX Command Injection Vulnerabilities (cisco-sa-hyperflex-rce-TjjNrkpR) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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