CVE-2022-46378

Name: CVE-2022-46378
Creator: NVD / NIST
Published: 2023-05-10T16:15:10.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2022-46378 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Weston-Embedded	Uc-Ftps	1.98.00

References

https://github.com/weston-embedded/uC-FTPs/pull/2Patch
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681Exploit, Mitigation, Third Party Advisory
https://github.com/weston-embedded/uC-FTPs/pull/2Patch
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681Exploit, Mitigation, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1681

Timeline

Published: May 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46378?

How severe is CVE-2022-46378?

CVE-2022-46378 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46378?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46378?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST