How severe is CVE-2017-4927?

CVE-2017-4927 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-4927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4927?

CVE-2017-4927 affects Vmware Vcenter Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-4927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-4927 published?

CVE-2017-4927 was published on 2017-11-17 and last updated on 2026-06-17.

CVE-2017-4927

CVE-2017-4927 is a high-severity vulnerability in Vmware Vcenter Server with a CVSS 3.x base score of 7.5. 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-90.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-90
Affected product: Vmware Vcenter Server
Published: 2017-11-17
Last modified: 2026-06-17

Description

VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service.

Frequently asked questions

What is CVE-2017-4927?: VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service.
How severe is CVE-2017-4927?: CVE-2017-4927 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-4927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4927?: CVE-2017-4927 affects Vmware Vcenter Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-4927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-4927 published?: CVE-2017-4927 was published on 2017-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*

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