Is CVE-2011-1789 being actively exploited?

CVE-2011-1789 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1789?

CVE-2011-1789 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-1789

MEDIUM · CVSS 5.0EPSS 1.9%EU EUVD

The self-extracting installer in the vSphere Client Installer package in VMware vCenter 4.0 before Update 3 and 4.1 before Update 1, VMware ESXi 4.x before 4.1 Update 1, and VMware ESX 4.x before 4.1 Update 1 does not have a digital signature, which might make it easier for remote attackers to spoof the software distribution via a Trojan horse installer.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 1.9% (80th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1787)
Published: May 9, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1787 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

vmware / esx
vmware / esx
vmware / esxi
vmware / esxi
vmware / vcenter
vmware / vcenter
vmware / vcenter
vmware / vcenter

References

http://lists.vmware.com/pipermail/security-announce/2011/000137.html(Patch)
http://securitytracker.com/id?1025502
http://www.vmware.com/security/advisories/VMSA-2011-0008.html(Patch, Vendor Advisory)

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

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