CVE-2022-46377

Name: CVE-2022-46377
Creator: NVD / NIST
Published: 2023-05-10T16:15:10.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.48%

Last modified Jun 17, 2026

CVE-2022-46377 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 1.48% 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 IP address 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

1.48%

70.6th 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-2022-46377?

How severe is CVE-2022-46377?

CVE-2022-46377 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46377?

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-2022-46377?

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

Scan your code now

Source: NVD / NIST