CVE-2004-0215

Microsoft Outlook Express 5.5 and 6 allows attackers to cause a denial of service (application crash) via a malformed e-mail header.

Published: 2004-08-06 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-0215 is rated Moderate Risk (49/100): CVSS Medium severity, with high exploitation likelihood (EPSS 39.07%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-0215

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 2026-03-19 44.46% 39.07% -5.39%
2 2025-12-12 47.74% 44.46% -3.28%
3 2025-11-18 47.74%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0215

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-0215

Affected software / configurations for CVE-2004-0215

Vendor Product Version Raw CPE
avaya ip600_media_servers cpe:2.3:a:avaya:ip600_media_servers:*:*:*:*:*:*:*:*
microsoft outlook_express 6.0 cpe:2.3:a:microsoft:outlook_express:6.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2004-0215

cvelogic Threat Intelligence