CVE-2004-2495

The (1) Webmail, (2) admin, and (3) SMTP services in Ability Mail Server 1.18 allow remote attackers to cause a denial of service (CPU consumption) via a large number of simultaneous connections to the service.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-2495 is rated Moderate Risk (59/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.03%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2004-2495

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 1.67% 2.03% +0.36%
2 2025-03-30 1.29% 1.67% +0.38%
3 2025-03-29 1.29%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-2495

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2004-2495

Affected software / configurations for CVE-2004-2495

Vendor Product Version Raw CPE
code-crafters ability_mail_server 1.18 cpe:2.3:a:code-crafters:ability_mail_server:1.18:*:*:*:*:*:*:*

References for CVE-2004-2495

cvelogic Threat Intelligence