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CVE-2022-34668

CRITICAL
Published 2022-08-29T00:00:00
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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.220
probability
of exploitation in the wild

There is a 22.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.955
Higher than 95.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

NVIDIA

NVIDIA FLARE

Affected Versions:

All versions prior to 2.1.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

NVFLARE unsafe deserialization due to Pickle

GHSA-6qv6-q77g-7qm6

Advisory Details

### Impact NVFLARE contains a vulnerability where 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. All versions before 2.1.4 are affected. CVSS Score = 9.8 [AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H](https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) ### Patches The patch is included in nvflare==2.1.4 This new version uses MessagePack instead of Pickle to do serialization and deserialization. Some object serializations supported by Pickle are not supported by MessagePack. We have provided out of box support for some built-in NVFLARE objects. For object serializations unsupported by MessagePack, the user will need to convert the objects to numpy or bytes before sending over to remote machines. The list of supported object types are listed in https://github.com/NVIDIA/NVFlare/blob/2.1/nvflare/fuel/utils/fobs/README.rst ### Workarounds No workarounds available. ### Additional information Issue Found by: Oliver Sellwood (Nintorac) and Elias Hohl

Affected Packages

PyPI nvflare
ECOSYSTEM: ≥0 <2.1.4

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

WEB https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-6qv6-q77g-7qm6
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-34668
WEB https://github.com/NVIDIA/NVFlare/commit/6cde16f3f4711583ae4d896dfcc125d25c7d5b0d
PACKAGE https://github.com/NVIDIA/NVFlare
WEB https://github.com/pypa/advisory-database/tree/main/vulns/nvflare/PYSEC-2022-257.yaml
WEB http://packetstormsecurity.com/files/171483/NVFLARE-Unsafe-Deserialization.html

Advisory provided by GitHub Security Advisory Database. Published: August 31, 2022, Modified: September 8, 2022

References

https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-6qv6-q77g-7qm6
http://packetstormsecurity.com/files/171483/NVFLARE-Unsafe-Deserialization.html
Published: 2022-08-29T00:00:00
Last Modified: 2024-08-03T09:15:15.695Z
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