Is CVE-2022-46377 in the CISA KEV catalog?

No. CVE-2022-46377 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-46377?

CVE-2022-46377 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2022-46377?

CVE-2022-46377 has an EPSS score of 1.48% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-46377?

No published fix for CVE-2022-46377 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2022-46377

MEDIUMEPSS 71th pctl

6.5

CVSS v3

NVD

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.

CWE-823 CWE-125Out-of-bounds Read

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.48%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Patch1

github.com

Exploit1

talosintelligence.com

Other references1

talosintelligence.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.