CVE-2022-31605

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-01 · updated 2026-06-17
Weakness: CWE-502

Description

NVFLARE, versions prior to 2.1.2, contains a vulnerability in its utils module, where YAML files are loaded via yaml.load() instead of yaml.safe_load(). The deserialization of Untrusted Data, may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity.

Affected products

NVIDIA Nvflare: before 2.1.2 — fixed in 2.1.2

How to fix

Upgrade to a fixed version: NVIDIA Nvflare 2.1.2. Check the vendor advisory for mitigations.

References

https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-hrf3-622q-8366
https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-hrf3-622q-8366

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