CVE-2005-3993

Multiple unspecified vulnerabilities in MailEnable Professional 1.6 and earlier and Enterprise 1.1 and earlier allow attackers to cause a denial of service (crash) via invalid IMAP commands.

Published: 2005-12-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3993 is rated Moderate Risk (56.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.49%). 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-2005-3993

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 0.49% 1.49% +1.00%
2 2025-03-30 0.44% 0.49% +0.05%
3 2025-03-29 — 0.44% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3993

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-2005-3993

Affected software / configurations for CVE-2005-3993

Vendor Product Version Raw CPE
mailenable mailenable_enterprise 1.00 cpe:2.3:a:mailenable:mailenable_enterprise:1.00:*:*:*:*:*:*:*
mailenable mailenable_enterprise 1.1 cpe:2.3:a:mailenable:mailenable_enterprise:1.1:*:*:*:*:*:*:*
mailenable mailenable_enterprise 1.01 cpe:2.3:a:mailenable:mailenable_enterprise:1.01:*:*:*:*:*:*:*
mailenable mailenable_enterprise 1.02 cpe:2.3:a:mailenable:mailenable_enterprise:1.02:*:*:*:*:*:*:*
mailenable mailenable_enterprise 1.03 cpe:2.3:a:mailenable:mailenable_enterprise:1.03:*:*:*:*:*:*:*
mailenable mailenable_enterprise 1.04 cpe:2.3:a:mailenable:mailenable_enterprise:1.04:*:*:*:*:*:*:*
mailenable mailenable_professional <= 1.6 cpe:2.3:a:mailenable:mailenable_professional:*:*:*:*:*:*:*:*

References for CVE-2005-3993

cvelogic Threat Intelligence