CVE-2005-4459

Exp

Heap-based buffer overflow in the NAT networking components vmnat.exe and vmnet-natd in VMWare Workstation 5.5, GSX Server 3.2, ACE 1.0.1, and Player 1.0 allows remote authenticated attackers, including guests, to execute arbitrary code via crafted (1) EPRT and (2) PORT FTP commands.

Published: 2005-12-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-4459 is rated High Exploit Risk (94.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 63.37%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +18.64% over the last day, indicating growing attacker interest. Mandatory action: 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-2005-4459

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-4459

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 2025-03-30 44.73% 63.37% +18.64%
2 2025-03-29 63.37% 44.73% -18.64%
3 2025-03-17 63.37%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4459

CVSS metrics for this CVE.

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

Weakness enumeration for CVE-2005-4459

OS Trackers for CVE-2005-4459

vendor priority summary link
gentoo high CVE-2005-4459: 1 GLSA(s) (200601-04), 1 atom(s) (app-emulation/vmware-workstation); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-4459

Affected software / configurations for CVE-2005-4459

Vendor Product Version Raw CPE
vmware ace 1.0 cpe:2.3:a:vmware:ace:1.0:*:*:*:*:*:*:*
vmware gsx_server 2.0 cpe:2.3:a:vmware:gsx_server:2.0:*:*:*:*:*:*:*
vmware gsx_server 2.0.1_build_2129 cpe:2.3:a:vmware:gsx_server:2.0.1_build_2129:*:*:*:*:*:*:*
vmware gsx_server 2.5.1 cpe:2.3:a:vmware:gsx_server:2.5.1:*:*:*:*:*:*:*
vmware gsx_server 2.5.1_build_5336 cpe:2.3:a:vmware:gsx_server:2.5.1_build_5336:*:*:*:*:*:*:*
vmware gsx_server 2.5.2 cpe:2.3:a:vmware:gsx_server:2.5.2:*:*:*:*:*:*:*
vmware gsx_server 3.0 cpe:2.3:a:vmware:gsx_server:3.0:*:*:*:*:*:*:*
vmware gsx_server 3.0_build_7592 cpe:2.3:a:vmware:gsx_server:3.0_build_7592:*:*:*:*:*:*:*
vmware gsx_server 3.1 cpe:2.3:a:vmware:gsx_server:3.1:*:*:*:*:*:*:*
vmware gsx_server 3.2 cpe:2.3:a:vmware:gsx_server:3.2:*:*:*:*:*:*:*
vmware player 1.0.0 cpe:2.3:a:vmware:player:1.0.0:*:*:*:*:*:*:*
vmware workstation 3.2.1 cpe:2.3:a:vmware:workstation:3.2.1:patch1:*:*:*:*:*:*
vmware workstation 3.4 cpe:2.3:a:vmware:workstation:3.4:*:*:*:*:*:*:*
vmware workstation 4.0 cpe:2.3:a:vmware:workstation:4.0:*:*:*:*:*:*:*
vmware workstation 4.0.1 cpe:2.3:a:vmware:workstation:4.0.1:*:*:*:*:*:*:*
vmware workstation 4.0.2 cpe:2.3:a:vmware:workstation:4.0.2:*:*:*:*:*:*:*
vmware workstation 4.5.2 cpe:2.3:a:vmware:workstation:4.5.2:*:*:*:*:*:*:*
vmware workstation 4.5.2_build_8848 cpe:2.3:a:vmware:workstation:4.5.2_build_8848:r4:*:*:*:*:*:*
vmware workstation 5.0.0_build_13124 cpe:2.3:a:vmware:workstation:5.0.0_build_13124:*:*:*:*:*:*:*
vmware workstation 5.5 cpe:2.3:a:vmware:workstation:5.5:*:*:*:*:*:*:*

References for CVE-2005-4459

cvelogic Threat Intelligence