CVE-2004-2466

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 97.6%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (30)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2004-07/0013.html
cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2004-07/0077.html
cve@mitrehttp://packetstormsecurity.com/files/167892/Easy-Chat-Server-3.1-Buffer-Overflow.html
cve@mitrehttp://secunia.com/advisories/12006
cve@mitrehttp://secunia.com/advisories/26461
cve@mitrehttp://secunia.com/advisories/58427
cve@mitrehttp://www.autistici.org/fdonato/advisory/EasyChatServer1.2-adv.txt
cve@mitrehttp://www.exploit-db.com/exploits/33326
cve@mitrehttp://www.osvdb.org/7416
cve@mitrehttp://www.securityfocus.com/bid/25328
cve@mitrehttp://www.securityfocus.com/bid/67384
cve@mitrehttp://www.vupen.com/english/advisories/2007/2901
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/16629
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/36013
cve@mitrehttps://www.exploit-db.com/exploits/4289

Data Freshness Timeline

(refreshed 8× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (4 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-50999
First seen Aug 1, 2022
Easy Chat Server 3.1 - Remote Stack Buffer Overflow (SEH)
Open source ↗
Exploit-DBEDB-33326✓ verified
First seen May 12, 2014
EFS Easy Chat Server 3.1 - Remote Stack Buffer Overflow
Open source ↗
Exploit-DBEDB-16772✓ verified
First seen Aug 6, 2010
EFS Easy Chat Server - Authentication Request Handling Buffer Overflow (Metasploit)
Open source ↗
Exploit-DBEDB-4289✓ verified
First seen Aug 14, 2007
EFS Easy Chat Server 2.2 - Remote Denial of Service
Open source ↗
Metasploitexploit/windows/http/efs_easychatserver_username✓ verified
First seen Aug 14, 2007
EFS Easy Chat Server Authentication Request Handling Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2004-2466?

CVE-2004-2466 is a none vulnerability published on December 31, 2004. 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.

When was CVE-2004-2466 disclosed?

CVE-2004-2466 was first published in the National Vulnerability Database on December 31, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-2466 actively exploited?

CVE-2004-2466 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-2466?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-2466, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2004-2466

📅 Published

🔄 Last Modified

🔗 References (30)