What is CVE-2022-31604?

CVE-2022-31604 is a critical-severity vulnerability in NVIDIA Nvflare, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-07-01.

How severe is CVE-2022-31604?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in NVIDIA Nvflare

CVE-2022-31604

NVFLARE, versions prior to 2.1.2, contains a vulnerability in its PKI implementation module, where The CA credentials are transported via pickle and no safe deserialization. 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.

Vulnerability class: Insecure Deserialization

Published 2022-07-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.021 · change: +0.001

Affected products

NVIDIA Nvflare
NVIDIA Flare — versions All versions prior to 2.1.2

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

github.com/NVIDIA/NVFlare/security/advisories/GHSA-rcxc-3w2m-mp8h (Third Party Advisory)

Frequently asked questions

What is CVE-2022-31604?: CVE-2022-31604 is a critical-severity vulnerability in NVIDIA Nvflare, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-07-01.
How severe is CVE-2022-31604?: Critical severity. CVSS v3 base score is 9.8 out of 10.