CVE-2023-21565 Azure DevOps Server Spoofing Vulnerability

High 7.1 Published 13 Jun 2023 Updated 1 Jan 2025

An attacker can exploit a spoofing vulnerability in Azure DevOps Server to bypass security controls.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-21565?

CVE-2023-21565 is a high-severity cross-site scripting vulnerability in Microsoft Azure DevOps Server 2020.1.2, published on 13 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Azure DevOps Server Spoofing Vulnerability

Weakness: CWE-79

Which versions are affected by CVE-2023-21565?

It affects 1 product.

Products include Microsoft Azure Devops Server.

How do I fix CVE-2023-21565?

No fix has been published for CVE-2023-21565 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-21565 being exploited?

There is no known exploitation of CVE-2023-21565 in the wild and no public exploit code.

Sources

Also known as GHSA-hwmh-fp5g-pqmr.