CVE-2022-21822 Allocation of Resources Without Limits or Throttling in nvflare
An unauthenticated attacker can cause resource exhaustion in the NVIDIA FLARE admin interface, leading to system unavailability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21822?
CVE-2022-21822 is a high-severity denial of service vulnerability in NVIDIA FLARE, published on 17 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NVIDIA FLARE contains a vulnerability in the admin interface, where an un-authorized attacker can cause Allocation of Resources Without Limits or Throttling, which may lead to cause system unavailable.
Weakness: CWE-770
Which versions are affected by CVE-2022-21822?
3 open source packages ship an affected version, including nvflare. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nvflare PyPI | All versions | 2.0.16 |
nvflare PyPI | All versions | 2.0.16 |
nvflare PyPI | All versions | 2.0.16 |
Products include Nvidia Federated Learning Application Runtime Environment.
How do I fix CVE-2022-21822?
Upgrade nvflare to 2.0.16 or later.
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-2022-21822 being exploited?
There is no known exploitation of CVE-2022-21822 in the wild and no public exploit code.
Sources
Also known as GHSA-jx8f-cpx7-fv47, PYSEC-2026-695.