Buffer overflow in Microsoft Internet Information Server (IIS) 4.0 allows local users to execute arbitrary code via the redirect function.
Conclusion & alert: CVE-2004-0205 is rated Moderate Risk (54.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.29%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 9.50% | 3.29% | -6.21% |
| 2 | 2026-03-19 | 5.72% | 9.50% | +3.78% |
| 3 | 2025-06-08 | — | 5.72% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| avaya | ip600_media_servers | — | cpe:2.3:a:avaya:ip600_media_servers:*:*:*:*:*:*:*:* |
| microsoft | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |
| avaya | definity_one_media_server | — | cpe:2.3:h:avaya:definity_one_media_server:*:*:*:*:*:*:*:* |
| avaya | s8100 | — | cpe:2.3:h:avaya:s8100:*:*:*:*:*:*:*:* |
| avaya | modular_messaging_message_storage_server | s3400 | cpe:2.3:o:avaya:modular_messaging_message_storage_server:s3400:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/12061 | |
| http://www.ciac.org/ciac/bulletins/o-179.shtml | |
| http://www.kb.cert.org/vuls/id/717748 | Patch Third Party Advisory US Government Resource |
| http://www.osvdb.org/7799 | |
| http://www.securityfocus.com/bid/10706 | |
| http://www.us-cert.gov/cas/techalerts/TA04-196A.html | Patch Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-021 | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/16578 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2204 |