How severe is CVE-2020-37107?

CVE-2020-37107 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-37107 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37107?

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

Does CVE-2020-37107 have an EU (EUVD) identifier?

Yes. CVE-2020-37107 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31101.

When was CVE-2020-37107 published?

CVE-2020-37107 was published on 2026-02-07 and last updated on 2026-06-17.

CVE-2020-37107

CVE-2020-37107 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.7
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31101
Weakness: CWE-120
Published: 2026-02-07
Last modified: 2026-06-17

Description

Core FTP LE 2.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the account field with a large buffer. Attackers can create a text file with 20,000 repeated characters and paste it into the account field to cause the application to become unresponsive and require reinstallation.

Frequently asked questions

What is CVE-2020-37107?: Core FTP LE 2.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the account field with a large buffer. Attackers can create a text file with 20,000 repeated characters and paste it into the account field to cause the application to become unresponsive and require reinstallation.
How severe is CVE-2020-37107?: CVE-2020-37107 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-37107 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37107?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-37107 have an EU (EUVD) identifier?: Yes. CVE-2020-37107 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31101.
When was CVE-2020-37107 published?: CVE-2020-37107 was published on 2026-02-07 and last updated on 2026-06-17.

References

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