CVE-2005-4556

Exp

PHP remote file include vulnerability in IceWarp Web Mail 5.5.1, as used by Merak Mail Server 8.3.0r and VisNetic Mail Server version 8.3.0 build 1, when register_globals is enabled, allows remote attackers to include arbitrary local and remote PHP files via a URL in the (1) lang_settings and (2) language parameters in (a) accounts/inc/include.php and (b) admin/inc/include.php.

Published: 2005-12-28 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4556 is rated High Exploit Risk (79.9/100): CVSS High severity, with high exploitation likelihood (EPSS 11.15%, 93th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.32% 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-2005-4556

EDB-ID Source Kind Published Link
26980 exploit_db edb 2005-12-27 Exploit-DB ↗
26979 exploit_db edb 2005-12-27 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-4556

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 2025-05-18 8.83% 11.15% +2.32%
2 2025-05-10 7.66% 8.83% +1.17%
3 2025-03-30 — 7.66% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4556

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-4556

Affected software / configurations for CVE-2005-4556

Vendor Product Version Raw CPE
deerfield visnetic_mail_server 8.3.0_build1 cpe:2.3:a:deerfield:visnetic_mail_server:8.3.0_build1:*:*:*:*:*:*:*
icewarp web_mail 5.5.1 cpe:2.3:a:icewarp:web_mail:5.5.1:*:*:*:*:*:*:*
merak mail_server 8.3.0r cpe:2.3:a:merak:mail_server:8.3.0r:*:*:*:*:*:*:*

References for CVE-2005-4556

cvelogic Threat Intelligence