Is CVE-2005-4459 in the CISA KEV catalog?

No. CVE-2005-4459 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-4459?

CVE-2005-4459 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2005-4459?

CVE-2005-4459 has an EPSS score of 13.66% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-4459

HIGHEPSS 96th pctl

10.0

CVSS v2

NVD

Description

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.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

13.66%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.