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% (69th 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% (69th 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% (69th 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:*:*:*:*:*:*:*:*

More vulnerabilities in Monstaftp Monsta Ftp

CVE-2025-34299 — Critical (CVSS 9.8): Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This…
CVE-2022-27469 — Critical (CVSS 9.8): Monstaftp v2.10.3 was discovered to allow attackers to execute Server-Side Request Forgery (SSRF).
CVE-2022-27468 — Critical (CVSS 9.8): Monstaftp v2.10.3 was discovered to contain an arbitrary file upload which allows attackers to execute arbitrary code…
CVE-2020-14057 — Critical (CVSS 9.8): Monsta FTP 2.10.1 or below allows external control of paths used in filesystem operations. This allows attackers to…
CVE-2020-14055 — Medium (CVSS 6.1): Monsta FTP 2.10.1 or below is prone to a stored cross-site scripting vulnerability in the language setting due to…

All CVEs affecting Monstaftp Monsta Ftp →

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

CVE-2026-69502 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure SQL Database allows an unauthorized attacker to elevate privileges over a…
CVE-2026-65801 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges…
CVE-2026-48331 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in…
CVE-2026-54735 — Critical (CVSS 10.0): Prebid Server is an open-source solution for running real-time advertising auctions in the cloud. Prior to version…
CVE-2026-57106 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Data Quality allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-15409 — Critical (CVSS 10.0): A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A…

Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →