What’s Vulnerable › Vulnerabilities

CVE-2020-21588

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup->Users->Username editbox.

Affected products

• Coreftp Core FTP: 2.2

References

• https://github.com/lonely-explorer/CoreFTP/issues/1
• https://github.com/pwnninja/CoreFTP/issues/1
• https://github.com/lonely-explorer/CoreFTP/issues/1
• https://github.com/pwnninja/CoreFTP/issues/1

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