How severe is CVE-2016-7458?

CVE-2016-7458 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-7458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7458?

CVE-2016-7458 primarily affects Vmware Vsphere Client. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-7458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-7458 published?

CVE-2016-7458 was published on 2016-12-29 and last updated on 2026-06-17.

CVE-2016-7458

CVE-2016-7458 is a medium-severity vulnerability in Vmware Vsphere Client with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Vmware Vsphere Client
Published: 2016-12-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
How severe is CVE-2016-7458?: CVE-2016-7458 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-7458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7458?: CVE-2016-7458 primarily affects Vmware Vsphere Client. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-7458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7458 published?: CVE-2016-7458 was published on 2016-12-29 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:a:vmware:vsphere_client:5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:5.5:u1:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:5.5:u2:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:5.5:u3a:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:5.5:u3b:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:2:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:2m:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:a:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:b:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:u1:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_client:6.0:u1b:*:*:*:*:*:*

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