CVE-2004-1312

A bug in the HTML parser in a certain Microsoft HTML library, as used in various third party products, may allow remote attackers to cause a denial of service via certain strings, as reported in GFI MailEssentials for Exchange 9 and 10, and GFI MailSecurity for Exchange 8, which causes emails to remain in IIS or Exchange mail queues.

Published: 2005-01-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1312 is rated High Risk (70.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.47%). Core evidence: EPSS rose +1.48% over the last day, indicating growing attacker interest. 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-2004-1312

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 0.99% 2.47% +1.48%
2 2025-03-30 1.54% 0.99% -0.55%
3 2025-03-29 1.54%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1312

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-1312

Affected software / configurations for CVE-2004-1312

Vendor Product Version Raw CPE
gfi mailessentials 9.0 cpe:2.3:a:gfi:mailessentials:9.0:*:exchange_smtp:*:*:*:*:*
gfi mailessentials 10.0 cpe:2.3:a:gfi:mailessentials:10.0:*:exchange_smtp:*:*:*:*:*
gfi mailessentials 10.1 cpe:2.3:a:gfi:mailessentials:10.1:*:exchange_smtp:*:*:*:*:*
gfi mailsecurity 8.0 cpe:2.3:a:gfi:mailsecurity:8.0:*:exchange_smtp:*:*:*:*:*

References for CVE-2004-1312

cvelogic Threat Intelligence