How severe is CVE-2020-14056?

CVE-2020-14056 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-2020-14056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14056?

CVE-2020-14056 affects Monstaftp Monsta Ftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14056?

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-2020-14056 published?

CVE-2020-14056 was published on 2020-07-01 and last updated on 2026-06-17.

CVE-2020-14056

CVE-2020-14056 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Monstaftp Monsta Ftp
Published: 2020-07-01
Last modified: 2026-06-17

Description

Monsta FTP 2.10.1 or below is prone to a server-side request forgery vulnerability due to insufficient restriction of the web fetch functionality. This allows attackers to read arbitrary local files and interact with arbitrary third-party services.

Frequently asked questions

What is CVE-2020-14056?: Monsta FTP 2.10.1 or below is prone to a server-side request forgery vulnerability due to insufficient restriction of the web fetch functionality. This allows attackers to read arbitrary local files and interact with arbitrary third-party services.
How severe is CVE-2020-14056?: CVE-2020-14056 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-2020-14056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14056?: CVE-2020-14056 affects Monstaftp Monsta Ftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14056?: 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-2020-14056 published?: CVE-2020-14056 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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