CVE-2022-39327 Improper Control of Generation of Code ('Code Injection') in Azure CLI

What is CVE-2022-39327?

CVE-2022-39327 is a high-severity code injection vulnerability in azure-cli, published on 25 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Azure CLI is the command-line interface for Microsoft Azure. In versions previous to 2.40.0, Azure CLI contains a vulnerability for potential code injection. Critical scenarios are where a hosting machine runs an Azure CLI command where parameter values have been provided by an external source. The vulnerability is only applicable when the Azure CLI command is run on a Windows machine and with any version of PowerShell and when the parameter value contains the `&` or `|` symbols. If any of these prerequisites are not met, this vulnerability is not applicable. Users should upgrade to version 2.40.0 or greater to receive a a mitigation for the vulnerability.

Weakness: CWE-78, CWE-94

Which versions are affected by CVE-2022-39327?

4 open source packages ship an affected version, including azure-cli. It affects 1 product.

Products include Microsoft Azure Command-Line Interface.

How do I fix CVE-2022-39327?

Upgrade azure-cli to 2.40.0 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-39327 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-39327 exists.

Other vulnerabilities in azure-cli

• CVE-2024-43591 Azure Command Line Integration (CLI) Elevation of Privilege Vulnerability High 8.7
• CVE-2023-36052 Azure CLI REST Command Information Disclosure Vulnerability High 8.6
• CVE-2025-24049 Azure Command Line Integration (CLI) Elevation of Privilege Vulnerability High 8.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-azure-cli-2022-39327, GHSA-47xc-9rr2-q7p4, PYSEC-2022-43177, UBUNTU-CVE-2022-39327.