CVE-2011-10029

High

Description

Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing format specifiers is sent, the server crashes due to a read access violation in the __output_1() function of sfsservice.exe. This results in a denial of service (DoS) condition.

SeverityHigh
CVSS8.7
Exploit probability—
ProductSolar FTP Server
PublishedAug 20, 2025
First seenAug 20, 2025
Weakness typeCWE-134CWE-134

How to fix

Affected products

ProductAffected versionsFixed in
Flexbyte Software Solar FTP Serverv ≤ 2.1.1—

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