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HIGH

CVE-2022-46378

CVSS v3

7.5

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no port argument is provided to the `PORT` command.

Technical details

Published
2023-05-10

Frequently asked questions

What is CVE-2022-46378?

An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no port argument is provided to the `PORT` command.

Is CVE-2022-46378 actively exploited?

Active exploitation of CVE-2022-46378 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-46378?

CVE-2022-46378 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2022-46378 affecting your environment?

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