Vulnerability · Published Feb 6, 2026 · Assigned by VulnCheck
CVE-2020-37107Core FTP LE 2.2 - Denial of Service
High 7.5
In plain English
A high-severity buffer overflow in Core FTP LE from Core FTP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 64.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Core FTP | Core FTP LE | 2.2 build 1947 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-48137 exploit
- Core FTP Vendor Homepage product
- Core FTP Download Page product
- VulnCheck Advisory: Core FTP LE 2.2 - Denial of Service third-party-advisory