4.0Medium

Microsoft Azure Cyclecloud

CVE-2021-36943

Azure CycleCloud Elevation of Privilege Vulnerability

What this means for your business

  • It affects Microsoft Azure Cyclecloud. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it only with access to the machine itself, without a login, and without anyone at your company clicking anything.

What to do

  1. 1Check whether your company or your suppliers run Microsoft Azure Cyclecloud, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
4.0 (v3.1)
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-269
Assigned by
secure@microsoft.com

Dates

Published
2021-08-12
Last modified
2026-08-10
Sources
NVD

Affected products

  • Microsoft Azure Cyclecloud8.2.0

As listed in the NVD configuration data. Not a statement about your estate.

References