KMiNT21 EasyFTP Server up to 1.7.0.11 list.html path stack-based overflow

Summaryinfo

A vulnerability has been found in KMiNT21 EasyFTP Server up to 1.7.0.11 and classified as critical. This issue affects some unknown processing of the file list.html. This manipulation of the argument path causes stack-based overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2010-20113. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in KMiNT21 EasyFTP Server up to 1.7.0.11. Affected by this vulnerability is an unknown part of the file list.html. The manipulation of the argument path with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

EasyFTP Server 1.7.0.11 and earlier contains a stack-based buffer overflow vulnerability in its HTTP interface. When processing a GET request to list.html, the server fails to properly validate the length of the path parameter. Supplying an excessively long value causes a buffer overflow on the stack, potentially corrupting control flow structures. The vulnerability is exposed through the embedded web server and does not require authentication due to default anonymous access. The issue was resolved in version 1.7.0.12, after which the product was renamed to UplusFtp.

The weakness was published by The G0bl!n. It is possible to read the advisory at raw.githubusercontent.com. This vulnerability is known as CVE-2010-20113 since 08/20/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/11/2025).

By approaching the search of inurl:list.html it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• File Transfer Software

Vendor

• KMiNT21

Name

• EasyFTP Server

Version

• 1.7.0.0
• 1.7.0.1
• 1.7.0.2
• 1.7.0.3
• 1.7.0.4
• 1.7.0.5
• 1.7.0.6
• 1.7.0.7
• 1.7.0.8
• 1.7.0.9
• 1.7.0.10
• 1.7.0.11

Support

• end of life

CPE 2.3info

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CPE 2.2info

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