CVE-2004-2466
chat.ghp in Easy Chat Server 1.2 allows remote attackers to cause a denial of service (server crash) via a long username parameter,…
- 5.0MediumCVSS base score
- 74.7%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 5Public exploitsMetasploit, Nuclei and Exploit-DB
Description
chat.ghp in Easy Chat Server 1.2 allows remote attackers to cause a denial of service (server crash) via a long username parameter, possibly due to a buffer overflow. NOTE: it was later reported that 2.2 is also affected.
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 4 Exploit-DB entries for it. 2 references of the record are tagged as an exploit.
Show the exploits7
Metasploit modules1 module
- EFS Easy Chat Server Authentication Request Handling Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/http/efs_easychatserver_usernameRank greatdisclosed 14 Aug 2007
Exploit-DB4 entries
- Easy Chat Server 3.1 - Remote Stack Buffer Overflow (SEH) (Exploit-DB entry) (opens in a new tab)
EDB-ID 50999remote, windowspublished 1 Aug 2022Not verified
- EFS Easy Chat Server 3.1 - Remote Stack Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 33326remote, windowspublished 12 May 2014Verified
- EFS Easy Chat Server - Authentication Request Handling Buffer Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16772remote, windowspublished 6 Aug 2010Verified
- EFS Easy Chat Server 2.2 - Remote Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 4289dos, windowspublished 14 Aug 2007Verified
References tagged exploit2 references
- 33326 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 4289 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
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
- 19 years later
· 19 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)
- 74.7% · top 0.5% 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
15
- 25328 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 67384 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 58427 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- easychatserver-username-dos(36013) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 33326 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20040702 Multiple Vulnerabilities in Easy Chat Server 1.2 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 12006 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- easychat-chatghp-username-dos(16629) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.autistici.org/fdonato/advisory/EasyChatServer1.2-adv.txt (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2007-2901 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 26461 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 4289 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 7416 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20040702 Multiple Vulnerabilities in Easy Chat Server 1.2 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/167892/Easy-Chat-Server-3.1-Buffer-Overflow.html (opens in a new tab)x_refsource_MISCx_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-2004-2457 (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-2004-2466)Record last updated .