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Vulnerability record · CVE-2004-0646 · published 23 December 2004

CVE-2004-0646: Macromedia coldfusion vulnerability

MMacromedia · Coldfusion

Buffer overflow in the WriteToLog function for JRun 3.0 through 4.0 web server connectors, such as (1) mod_jrun and (2) mod_jrun20 for Apache, with verbose logging enabled, allows remote attackers to execute arbitrary code via a long HTTP header Content-Type field or other fields.

10.0 CVSS 2.0 High EPSS 7.1% · top 6.0%
10.0CVSS 2.0 base score
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the WriteToLog function for JRun 3.0 through 4.0 web server connectors, such as (1) mod_jrun and (2) mod_jrun20 for Apache, with verbose logging enabled, allows remote attackers to execute arbitrary code via a long HTTP header Content-Type field or other fields.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/12647/
http://www.kb.cert.org/vuls/id/990200 US Government Resource
http://www.macromedia.com/devnet/security/security_zone/mpsb04-08.html Patch
http://www.macromedia.com/devnet/security/security_zone/mpsb04-09.html
http://www.securityfocus.com/archive/1/377194
http://www.securityfocus.com/bid/11245 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17485
http://secunia.com/advisories/12647/
http://www.kb.cert.org/vuls/id/990200 US Government Resource
http://www.macromedia.com/devnet/security/security_zone/mpsb04-08.html Patch
http://www.macromedia.com/devnet/security/security_zone/mpsb04-09.html
http://www.securityfocus.com/archive/1/377194
http://www.securityfocus.com/bid/11245 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17485

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2004-0646), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.