How severe is CVE-2022-34668?

CVE-2022-34668 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34668?

CVE-2022-34668 affects Nvidia Nvflare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34668?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-34668 published?

CVE-2022-34668 was published on 2022-08-29 and last updated on 2026-06-17.

CVE-2022-34668

CVE-2022-34668 is a critical-severity vulnerability in Nvidia Nvflare with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Nvidia Nvflare
Published: 2022-08-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-34668?: 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.
How severe is CVE-2022-34668?: CVE-2022-34668 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34668?: CVE-2022-34668 affects Nvidia Nvflare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34668?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-34668 published?: CVE-2022-34668 was published on 2022-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nvidia:nvflare:*:*:*:*:*:*:*:*

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