Is CVE-2009-4811 being actively exploited?

CVE-2009-4811 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4811?

CVE-2009-4811 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2009-4811

MEDIUM · CVSS 5.0EPSS 2.8%EU EUVD

VMware Authentication Daemon 1.0 in vmware-authd.exe in the VMware Authorization Service in VMware Workstation 7.0 before 7.0.1 build 227600 and 6.5.x before 6.5.4 build 246459, VMware Player 3.0 before 3.0.1 build 227600 and 2.5.x before 2.5.4 build 246459, VMware ACE 2.6 before 2.6.1 build 227600 and 2.5.x before 2.5.4 build 246459, and VMware Server 2.x allows remote attackers to cause a denial of service (process crash) via a \x25\x90 sequence in the USER and PASS commands, a related issue to CVE-2009-3707. NOTE: some of these details are obtained from third party information.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-134
EPSS score: 2.8% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4774)
Published: April 27, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4774 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

vmware / ace
vmware / ace
vmware / ace
vmware / ace
vmware / ace
vmware / ace
vmware / ace
vmware / player
vmware / player
vmware / player
vmware / player
vmware / player
vmware / player
vmware / player
vmware / server
vmware / server
vmware / server
vmware / workstation
vmware / workstation
vmware / workstation
vmware / workstation
vmware / workstation
vmware / workstation
vmware / workstation

References

http://archives.neohapsis.com/archives/bugtraq/2010-04/0077.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-04/0121.html
http://freetexthost.com/qr1tffkzpu(Exploit, URL Repurposed)
http://lists.vmware.com/pipermail/security-announce/2010/000090.html(Patch, Vendor Advisory)
http://pocoftheday.blogspot.com/2009/10/vmware-server-20x-remote-dos-exploit.html(Exploit)
http://security.gentoo.org/glsa/glsa-201209-25.xml
http://www.securityfocus.com/bid/36630(Exploit)
http://www.vmware.com/security/advisories/VMSA-2010-0007.html(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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