How severe is CVE-2014-8371?

CVE-2014-8371 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-8371 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8371?

CVE-2014-8371 primarily affects Vmware Vcenter Server Appliance. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8371?

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

When was CVE-2014-8371 published?

CVE-2014-8371 was published on 2014-12-08 and last updated on 2026-06-17.

CVE-2014-8371

CVE-2014-8371 is a medium-severity vulnerability in Vmware Vcenter Server Appliance with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Vmware Vcenter Server Appliance
Published: 2014-12-08
Last modified: 2026-06-17

Description

VMware vCenter Server Appliance (vCSA) 5.5 before Update 2, 5.1 before Update 3, and 5.0 before Update 3c does not properly validate certificates when connecting to a CIM Server on an ESXi host, which allows man-in-the-middle attackers to spoof CIM servers via a crafted certificate.

Frequently asked questions

What is CVE-2014-8371?: VMware vCenter Server Appliance (vCSA) 5.5 before Update 2, 5.1 before Update 3, and 5.0 before Update 3c does not properly validate certificates when connecting to a CIM Server on an ESXi host, which allows man-in-the-middle attackers to spoof CIM servers via a crafted certificate.
How severe is CVE-2014-8371?: CVE-2014-8371 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-8371 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8371?: CVE-2014-8371 primarily affects Vmware Vcenter Server Appliance. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-8371?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8371 published?: CVE-2014-8371 was published on 2014-12-08 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_1:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_2:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_3:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.0:update_3a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.1:update_1:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.1:update_2:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server_appliance:5.5:update_1:*:*:*:*:*:*

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