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CVE-2016-7458

5.8 · MEDIUM

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 conj…

Published Dec 29, 2016CWE-611EPSS 1.23%

Overview

CVE-2016-7458 is a medium-severity vulnerability. It was published on December 29, 2016 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/94483Refwww.securitytracker.com/id/1037328Refwww.vmware.com/security/advisories/VMSA-2016-0022.htmlRefwww.securityfocus.com/bid/94483Refwww.securitytracker.com/id/1037328Refwww.vmware.com/security/advisories/VMSA-2016-0022.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-7458?

CVE-2016-7458 is a medium-severity vulnerability. It was published on December 29, 2016 and has a CVSS 3.0 base score of 5.8 (MEDIUM).

How severe is CVE-2016-7458?

This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-7458?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-7458?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-7458 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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