CVE-2005-0277
Buffer overflow in the FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application…
- 5.0MediumCVSS base score
- 61.9%Exploitation in 30 daysEPSS · top 0.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 4Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Buffer overflow in the FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via (1) a long username in the USER command or (2) an FTP command that contains a long argument, such as cd, send, or ls.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 3 Exploit-DB entries for it.
Show the exploits4
Metasploit modules1 module
- 3Com 3CDaemon 2.0 FTP Username Overflow (Metasploit module) (opens in a new tab)
exploit/windows/ftp/3cdaemon_ftp_userRank averagedisclosed 4 Jan 2005
Exploit-DB3 entries
- 3Com 3CDaemon 2.0 FTP Server - 'Username' Remote Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16730remote, windowspublished 20 Sept 2010Verified
- 3Com 3CDaemon FTP - Unauthorized 'USER' Remote Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 827remote, windowspublished 18 Feb 2005Verified
- 3Com FTP Server 2.0 - Remote Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 825remote, windowspublished 17 Feb 2005Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 20 years later
· 20 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 61.9% · top 0.8% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
4
- 12155 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 3cdaemon-long-command-dos(18754) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20050104 3Com 3CDaemon Multiple Vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20050218 3com 3CDaemon FTP Unauthorized "USER" Remote BOverflow (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2005-0278 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-0277)Record last updated .