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Vulnerability Details :

CVE-2011-10029

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-20 Aug, 2025 | 15:40
Updated At-20 Nov, 2025 | 02:01
Rejected At-
Credits

Solar FTP Server <= 2.1.1 Malformed USER Denial of Service

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:20 Aug, 2025 | 15:40
Updated At:20 Nov, 2025 | 02:01
Rejected At:
▼CVE Numbering Authority (CNA)
Solar FTP Server <= 2.1.1 Malformed USER Denial of Service

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.

Affected Products
Vendor
Flexbyte Software
Product
Solar FTP Server
Modules
  • sfsservice.exe
  • USER command
Default Status
unaffected
Versions
Affected
  • From * through 2.1.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-134CWE-134 Use of Externally-Controlled Format String
Type: CWE
CWE ID: CWE-134
Description: CWE-134 Use of Externally-Controlled Format String
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
Version: 4.0
Base score: 8.7
Base severity: HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-153CAPEC-153 Input Data Manipulation
CAPEC-125CAPEC-125 Flooding
CAPEC ID: CAPEC-153
Description: CAPEC-153 Input Data Manipulation
CAPEC ID: CAPEC-125
Description: CAPEC-125 Flooding
Solutions
Configurations
Workarounds
Exploits
Credits
finder
x000
finder
C4SS!0 G0M3S
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ftp/solarftp_user.rb
exploit
https://www.exploit-db.com/exploits/16204
exploit
https://web.archive.org/web/20111102141514/https://solarftp.com/
product
https://web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-server-2-1-2.html
vendor-advisory
patch
https://www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dos
third-party-advisory
Hyperlink: https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ftp/solarftp_user.rb
Resource:
exploit
Hyperlink: https://www.exploit-db.com/exploits/16204
Resource:
exploit
Hyperlink: https://web.archive.org/web/20111102141514/https://solarftp.com/
Resource:
product
Hyperlink: https://web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-server-2-1-2.html
Resource:
vendor-advisory
patch
Hyperlink: https://www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dos
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:20 Aug, 2025 | 16:15
Updated At:22 Aug, 2025 | 18:09

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-134Secondarydisclosure@vulncheck.com
CWE ID: CWE-134
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ftp/solarftp_user.rbdisclosure@vulncheck.com
N/A
https://web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-server-2-1-2.htmldisclosure@vulncheck.com
N/A
https://web.archive.org/web/20111102141514/https://solarftp.com/disclosure@vulncheck.com
N/A
https://www.exploit-db.com/exploits/16204disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dosdisclosure@vulncheck.com
N/A
Hyperlink: https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ftp/solarftp_user.rb
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-server-2-1-2.html
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://web.archive.org/web/20111102141514/https://solarftp.com/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.exploit-db.com/exploits/16204
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dos
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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