How severe is CVE-2020-14057?

CVE-2020-14057 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14057 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14057?

CVE-2020-14057 affects Monstaftp Monsta Ftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14057?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-14057 published?

CVE-2020-14057 was published on 2020-07-01 and last updated on 2026-06-17.

CVE-2020-14057

CVE-2020-14057 is a critical-severity vulnerability in Monstaftp Monsta Ftp with a CVSS 3.x base score of 9.8. 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-610.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-610
Affected product: Monstaftp Monsta Ftp
Published: 2020-07-01
Last modified: 2026-06-17

Description

Monsta FTP 2.10.1 or below allows external control of paths used in filesystem operations. This allows attackers to read and write arbitrary local files, allowing an attacker to gain remote code execution in common deployments.

Frequently asked questions

What is CVE-2020-14057?: Monsta FTP 2.10.1 or below allows external control of paths used in filesystem operations. This allows attackers to read and write arbitrary local files, allowing an attacker to gain remote code execution in common deployments.
How severe is CVE-2020-14057?: CVE-2020-14057 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14057 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14057?: CVE-2020-14057 affects Monstaftp Monsta Ftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14057?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-14057 published?: CVE-2020-14057 was published on 2020-07-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monstaftp:monsta_ftp:*:*:*:*:*:*:*:*

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