What’s Vulnerable › Vulnerabilities

CVE-2022-46377

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-10 · updated 2026-06-17
• Weakness: CWE-823

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.

Affected products

• Weston Embedded uC-FTPs: 1.98.00

References

• https://github.com/weston-embedded/uC-FTPs/pull/2
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681
• https://github.com/weston-embedded/uC-FTPs/pull/2
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1681

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