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Fencer Vulns
critical 9.8

CVE-2022-34668 in the critical feed json

NVFLARE unsafe deserialization due to Pickle

published 2022-08-29 4 y ago modified 2026-07-08 4 mo ago also GHSA-6qv6-q77g-7qm6 , PYSEC-2022-257 , EUVD-2022-0168

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
11.6%
EPSS 11.6% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

NVFLARE, versions prior to 2.1.4, contains a vulnerability that deserialization of Untrusted Data due to Pickle usage may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity.

Patch / fix

  • pypi nvflare 2.1.4
  • nvidia nvflare 2.1.4

Timeline

  1. Published
  2. First public exploit (EDB-51051)

Exploit prediction

11.61% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51051 NVFLARE < 2.1.4 - Unsafe Deserialization due to Pickle remote, 2023-03-25

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi nvflare
<2.1.4
2.1.4

Affected products

  • NVIDIA NVIDIA FLARE

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.