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

Critical   Plugin ID: 149979

This page contains detailed information about the Cisco HyperFlex HX Command Injection Direct Check (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.

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Plugin Overview

ID: 149979
Name: Cisco HyperFlex HX Command Injection Direct Check (cisco-sa-hyperflex-rce-TjjNrkpR)
Filename: cisco-sa-hyperflex-rce-TjjNrkpR-dc.nbin
Vulnerability Published: 2021-05-05
This Plugin Published: 2021-05-26
Last Modification Time: 2022-04-25
Plugin Version: 1.16
Plugin Type: remote
Plugin Family: CISCO
Dependencies: cisco_hyperflex_web_api_detect.nbin
Required KB Items [?]: installed_sw/Cisco HyperFlex

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.

Solution

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

Public Exploits

Target Network Port(s): 80
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 Direct Check (cisco-sa-hyperflex-rce-TjjNrkpR) vulnerability:

  1. Metasploit: exploit/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec
    [Cisco HyperFlex HX Data Platform Command Execution]
  2. GitHub: https://github.com/EdgeSecurityTeam/Vulnerability
    [CVE-2021-1497]
  3. GitHub: https://github.com/SexyBeast233/SecBooks
    [CVE-2021-1497]
  4. 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

The cisco-sa-hyperflex-rce-TjjNrkpR-dc.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.

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-dc.nbin
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\cisco-sa-hyperflex-rce-TjjNrkpR-dc.nbin
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/cisco-sa-hyperflex-rce-TjjNrkpR-dc.nbin

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How to Run

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

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select CISCO plugin family.
  6. On the right side table select Cisco HyperFlex HX Command Injection Direct Check (cisco-sa-hyperflex-rce-TjjNrkpR) plugin ID 149979.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. 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-dc.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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References

IAVA | Information Assurance Vulnerability Alert:
  • 2021-A-0237
Cisco Bug ID: Cisco Security Advisory: 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:
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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-dc.nbin version 1.16. For more plugins, visit the Nessus Plugin Library.

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