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.
Published: 2025-08-20
Score: 8.7 High
EPSS: 48.8% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2011-5252 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.
History

Thu, 20 Nov 2025 02:30:00 +0000

Type Values Removed Values Added
First Time appeared Flexbyte
Flexbyte solar Ftp Server
CPEs cpe:2.3:a:flexbyte:solar_ftp_server:*:*:*:*:*:*:*:*
Vendors & Products Flexbyte
Flexbyte solar Ftp Server

Wed, 20 Aug 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 20 Aug 2025 16:00:00 +0000

Type Values Removed Values Added
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.
Title Solar FTP Server <= 2.1.1 Malformed USER Denial of Service
Weaknesses CWE-134
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Flexbyte Solar Ftp Server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-15T11:13:48.260Z

Reserved: 2025-08-19T15:21:42.204Z

Link: CVE-2011-10029

cve-icon Vulnrichment

Updated: 2025-08-20T18:20:49.133Z

cve-icon NVD

Status : Deferred

Published: 2025-08-20T16:15:35.973

Modified: 2026-04-15T00:35:42.020

Link: CVE-2011-10029

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses