CVE-2005-4557

Exp

dir/include.html 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, allows remote attackers to include arbitrary local files via a null byte (%00) in the lang parameter, possibly due to a directory traversal vulnerability.

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-2005-4557 is rated High Exploit Risk (67.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.94%, 90th percentile). 4 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.13% 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-2005-4557

EDB-ID Source Kind Published Link
26981 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-2005-4557

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 2025-07-28 4.81% 5.94% +1.13%
2 2025-05-10 5.08% 4.81% -0.27%
3 2025-03-30 — 5.08% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4557

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-4557

Affected software / configurations for CVE-2005-4557

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-2005-4557

cvelogic Threat Intelligence