How severe is CVE-2022-46378?

CVE-2022-46378 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-46378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46378?

CVE-2022-46378 affects Weston-embedded Uc-ftps. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-46378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-46378 published?

CVE-2022-46378 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2022-46378

CVE-2022-46378 is a medium-severity vulnerability in Weston-embedded Uc-ftps with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Weston-embedded Uc-ftps
Published: 2023-05-10
Last modified: 2026-06-17

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.

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.
How severe is CVE-2022-46378?: CVE-2022-46378 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-46378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46378?: CVE-2022-46378 affects Weston-embedded Uc-ftps. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-46378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-46378 published?: CVE-2022-46378 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weston-embedded:uc-ftps:1.98.00:*:*:*:*:*:*:*

More vulnerabilities in Weston-embedded Uc-ftps

CVE-2022-41985 — High (CVSS 8.6): An authentication bypass vulnerability exists in the Authentication functionality of Weston Embedded uC-FTPs v 1.98.00.…
CVE-2022-46377 — Medium (CVSS 6.5): An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded…

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