CVE-2024-12864 Unauthenticated DoS by Sending Large Filename at File Upload Endpoint in netease-youdao/qanything
Unauthenticated attackers can cause denial of service by sending large filenames to the file upload endpoint, overwhelming the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-12864?
CVE-2024-12864 is a high-severity denial of service vulnerability in netease-youdao/qanything, published on 20 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.
Weakness: CWE-400
Which versions are affected by CVE-2024-12864?
It affects 1 product.
Products include Youdao Qanything.
How do I fix CVE-2024-12864?
No fix has been published for CVE-2024-12864 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-12864 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-12864 exists.
Other vulnerabilities in netease-youdao/qanything
Sources
Also known as GHSA-w3m9-crxx-972f.