How severe is CVE-2022-46397?

CVE-2022-46397 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-46397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46397?

CVE-2022-46397 primarily affects Lfprojects Vector Packet Processor. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46397?

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

When was CVE-2022-46397 published?

CVE-2022-46397 was published on 2023-03-28 and last updated on 2026-06-17.

CVE-2022-46397

CVE-2022-46397 is a high-severity vulnerability in Lfprojects Vector Packet Processor with a CVSS 3.x base score of 7.5. 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-329.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-329
Affected product: Lfprojects Vector Packet Processor
Published: 2023-03-28
Last modified: 2026-06-17

Description

FP.io VPP (Vector Packet Processor) 22.10, 22.06, 22.02, 21.10, 21.06, 21.01, 20.09, 20.05, 20.01, 19.08, and 19.04 Generates a Predictable IV with CBC Mode.

Frequently asked questions

What is CVE-2022-46397?: FP.io VPP (Vector Packet Processor) 22.10, 22.06, 22.02, 21.10, 21.06, 21.01, 20.09, 20.05, 20.01, 19.08, and 19.04 Generates a Predictable IV with CBC Mode.
How severe is CVE-2022-46397?: CVE-2022-46397 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-46397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46397?: CVE-2022-46397 primarily affects Lfprojects Vector Packet Processor. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-46397 published?: CVE-2022-46397 was published on 2023-03-28 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:lfprojects:vector_packet_processor:19.04:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:19.08:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:20.01:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:20.05:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:20.09:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:21.01:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:21.06:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:21.10:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:22.02:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:22.06:*:*:*:*:*:*:*
cpe:2.3:a:lfprojects:vector_packet_processor:22.10:*:*:*:*:*:*:*

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