Sigma rule: VMware vCenter Server File Upload CVE-2021-22005

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-f5cdda9fafe6, updated 2023-01-02T00:00:00.000Z.

Rule

Title
VMware vCenter Server File Upload CVE-2021-22005
Status
test
Level
high
Author
Sittikorn S
Date
2021-09-24
Modified
2023-01-02
File
rules-emerging-threats/2021/Exploits/CVE-2021-22005/web_cve_2021_22005_vmware_file_upload.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects exploitation attempts using file upload vulnerability CVE-2021-22005 in the VMWare vCenter Server.

Log source

category
webserver

Detection

selection:
    cs-method: 'POST'
    cs-uri-query|contains: '/analytics/telemetry/ph/api/hyper/send?'
condition: selection

False positives (as the rule lists them)

  • Vulnerability Scanning

Tags

  • attack.initial-access
  • attack.t1190
  • cve.2021-22005
  • detection.emerging-threats

CVEs this rule names

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/CVE-2021-22005/web_cve_2021_22005_vmware_file_upload.yml

Sources and licences

  • SigmaHQ

    "VMware vCenter Server File Upload CVE-2021-22005" by Sittikorn S (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/CVE-2021-22005/web_cve_2021_22005_vmware_file_upload.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: VMware vCenter Server File Upload CVE-2021-22005",
entity page, dataset version ref-f5cdda9fafe6, updated 2023-01-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/b014ea07-8ea0-4859-b517-50a4e5b7ecec (accessed 2026-11-03).
Underlying source: SigmaHQ rule b014ea07-8ea0-4859-b517-50a4e5b7ecec, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.