CVE-2005-4456

Exp

Multiple buffer overflows in MailEnable Professional 1.71 and Enterprise 1.1 before patch ME-10009 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long (1) LIST, (2) LSUB, and (3) UID FETCH commands. NOTE: it is possible that these are alternate vectors for the issue described in CVE-2005-4402.

Published: 2005-12-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4456 is rated High Exploit Risk (80.6/100): CVSS High severity, with high exploitation likelihood (EPSS 7.14%, 93th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.66% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2005-4456

EDB-ID Source Kind Published Link
1378 exploit_db edb 2005-12-19 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-4456

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 5.47% 7.14% +1.66%
2 2026-01-19 4.46% 5.47% +1.01%
3 2025-03-30 — 4.46% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4456

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-2005-4456

Affected software / configurations for CVE-2005-4456

Vendor Product Version Raw CPE
mailenable mailenable_enterprise 1.1 cpe:2.3:a:mailenable:mailenable_enterprise:1.1:*:*:*:*:*:*:*
mailenable mailenable_professional 1.71 cpe:2.3:a:mailenable:mailenable_professional:1.71:*:*:*:*:*:*:*

References for CVE-2005-4456

cvelogic Threat Intelligence