CVE-2021-32699: Asymmetric Resource Consumption in Docker containers created by Wings
Summary
CVE-2021-32699: Asymmetric Resource Consumption (Amplification) in Docker containers created by Wings in github.com/pterodactyl/wings. Affects github.com/pterodactyl/wings versions < 1.4.4. Fixed in 1.4.4. How to fix ↓
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Background
The package under scrutiny is Wings, a Go-based tool available on GitHub (github.com/pterodactyl/wings). Wings is used for creating Docker containers. It provides a user-friendly interface for managing and deploying applications within containers. This vulnerability affects versions prior to 1.4.4.
Vulnerability Detail
The vulnerability, known as Asymmetric Resource Consumption (Amplification), allows an attacker to exploit Docker containers created by Wings. By sending specially crafted requests to the affected containers, an attacker can cause them to consume excessive resources, leading to denial of service (DoS) conditions. This vulnerability poses a significant risk to the availability and performance of applications running within the compromised containers.
How To Fix
Latest published version: v1.13.4 as of 22 Oct 2026
go get github.com/pterodactyl/wings@v1.13.4Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.4.4
This is the first release that contains the fix.
go get github.com/pterodactyl/wings@v1.4.4Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The Asymmetric Resource Consumption vulnerability in Docker containers created by Wings poses a significant risk to the availability and performance of applications. Users are advised to update to Wings version 1.4.4 or later to mitigate this vulnerability.
See every vulnerability recorded for github.com/pterodactyl/wings →
FAQ
This vulnerability can lead to denial of service (DoS) conditions, affecting the availability and performance of applications running within the compromised Docker containers.
Users of Wings versions prior to 1.4.4 are affected by this vulnerability. It is recommended for all users to update to the latest patched version.
At the time of this report, there are no known public exploits targeting this vulnerability. However, it is crucial to apply the recommended patches to mitigate the risk.
Yes, this vulnerability can be exploited remotely by sending specially crafted requests to the affected Docker containers.
Currently, there is no known workaround for this vulnerability. It is recommended to update Wings to the latest version.
References
Related vulnerabilities
Recent vulnerabilities recorded for github.com/pterodactyl/wings.
