CVE-2021-21972 VSphere Exploitation

Description

Detects the exploitation of VSphere Remote Code Execution vulnerability as described in CVE-2021-21972

Query · sigma

selection:
  cs-method: POST
  cs-uri-query: /ui/vropspluginui/rest/services/uploadova
condition: selection

Known false positives

  • OVA uploads to your VSphere appliance
Raw source CVE-2021-21972 VSphere Exploitation · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: CVE-2021-21972 VSphere Exploitation
id: 179ed852-0f9b-4009-93a7-68475910fd86
status: test
description: Detects the exploitation of VSphere Remote Code Execution vulnerability as described in CVE-2021-21972
references:
    - https://www.vmware.com/security/advisories/VMSA-2021-0002.html
    - https://f5.pm/go-59627.html
    - https://swarm.ptsecurity.com/unauth-rce-vmware
author: Bhabesh Raj
date: 2021-02-24
modified: 2023-01-02
tags:
    - attack.initial-access
    - attack.t1190
    - cve.2021-21972
    - detection.emerging-threats
logsource:
    category: webserver
detection:
    selection:
        cs-method: 'POST'
        cs-uri-query: '/ui/vropspluginui/rest/services/uploadova'
    condition: selection
falsepositives:
    - OVA uploads to your VSphere appliance
level: high

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