How severe is CVE-2016-5302?

CVE-2016-5302 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-5302 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5302?

CVE-2016-5302 affects Citrix Xenserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5302?

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

When was CVE-2016-5302 published?

CVE-2016-5302 was published on 2016-06-13 and last updated on 2026-06-17.

CVE-2016-5302

CVE-2016-5302 is a critical-severity vulnerability in Citrix Xenserver with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Citrix Xenserver
Published: 2016-06-13
Last modified: 2026-06-17

Description

Citrix XenServer 7.0 before Hotfix XS70E003, when a deployment has been upgraded from an earlier release, might allow remote attackers on the management network to "compromise" a host by leveraging credentials for an Active Directory account.

Frequently asked questions

What is CVE-2016-5302?: Citrix XenServer 7.0 before Hotfix XS70E003, when a deployment has been upgraded from an earlier release, might allow remote attackers on the management network to "compromise" a host by leveraging credentials for an Active Directory account.
How severe is CVE-2016-5302?: CVE-2016-5302 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5302 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5302?: CVE-2016-5302 affects Citrix Xenserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5302?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-5302 published?: CVE-2016-5302 was published on 2016-06-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*

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