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Vulnerability record · CVE-2016-5302 · published 13 June 2016

CVE-2016-5302: Citrix xenserver improper access control vulnerability

Citrix · Xenserver

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.

9.8 CVSS 3.0 Critical EPSS 2.6% · top 15.6% CWE-284 · Improper access control
9.8CVSS 3.0 base score, v2 7.5
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://support.citrix.com/article/CTX213549 Vendor Advisory
http://www.securitytracker.com/id/1036082
https://support.citrix.com/article/CTX213769
http://support.citrix.com/article/CTX213549 Vendor Advisory
http://www.securitytracker.com/id/1036082
https://support.citrix.com/article/CTX213769

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-4947Citrix xenserver memory buffer overflow vulnerabilityBuffer overflow in the HVM graphics console support in Citrix XenServer 6.2 Service Pack 1 and earlier has unspecified impact and attack vectors.EPSS 5.4%9.9CVE-2016-9603Qemu heap-based buffer overflow vulnerabilityA heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a V…EPSS 4.4%9.9CVE-2017-2620Qemu out-of-bounds write vulnerabilityQuick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could…EPSS 3.6%9.8CVE-2018-14007Citrix XenServer directory traversal flawCitrix XenServer 7.1 and newer contains a directory traversal vulnerability (CWE-22) that lets a remote, unauthenticated attacker reach files outside…EPSS 56%analysed9.8CVE-2015-7705Ntp improper input validation vulnerabilityThe rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of …EPSS 12%9.1CVE-2017-2615Qemu out-of-bounds write vulnerabilityQuick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copyi…EPSS 3.6%8.8CVE-2017-12134Xen vulnerabilityThe xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and con…EPSS 0.50%8.8CVE-2017-12135Xen vulnerabilityXen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involvin…EPSS 0.45%

Source: NIST National Vulnerability Database (record CVE-2016-5302), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.