Vulnerability in Flexbyte Software Solar FTP Server
CVE-2011-10029
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 · last modified .
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Flexbyte Software Solar FTP Server — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/… (exploit)
- www.exploit-db.com/exploits/16204 (exploit)
- web.archive.org/web/20111102141514/https://solarftp.com/ (product)
- web.archive.org/web/20111009122553/http://solarftp.com/blog/news/solar-ftp-serv… (vendor-advisory, patch)
- www.vulncheck.com/advisories/solar-ftp-server-malformed-user-dos (third-party-advisory)
Frequently asked questions
- What is CVE-2011-10029?
- CVE-2011-10029 is a vulnerability in Flexbyte Software Solar FTP Server, classified under Use of Externally-Controlled Format String. Published 2025-08-20.
- Is CVE-2011-10029 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.