← Vulnerability feed

Vulnerability record · CVE-2014-3798 · published 11 July 2019

CVE-2014-3798: Citrix xenserver improper input validation vulnerability

Citrix · Xenserver

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service (guest OS crash) via a crafted Ethernet frame.

6.5 CVSS 3.0 Medium EPSS 1.9% · top 20.8% CWE-20 · Improper input validation
6.5CVSS 3.0 base score, v2 6.1
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service (guest OS crash) via a crafted Ethernet frame.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/58455 Permissions RequiredThird Party Advisory
http://support.citrix.com/article/CTX140814 PatchVendor Advisory
http://www.securityfocus.com/bid/67693 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030304 Third Party AdvisoryVDB Entry
http://secunia.com/advisories/58455 Permissions RequiredThird Party Advisory
http://support.citrix.com/article/CTX140814 PatchVendor Advisory
http://www.securityfocus.com/bid/67693 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030304 Third Party AdvisoryVDB Entry

Track CVE-2014-3798 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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%9.8CVE-2016-5302Citrix xenserver improper access control vulnerabilityCitrix XenServer 7.0 before Hotfix XS70E003, when a deployment has been upgraded from an earlier release, might allow remote attackers on the managem…EPSS 2.6%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%

Source: NIST National Vulnerability Database (record CVE-2014-3798), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.