Citrix XenServer 6.0.2/6.1.0/6.2.0 Tools Ethernet Frame denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Citrix XenServer 6.0.2/6.1.0/6.2.0 (Virtualization Software). It has been classified as problematic. This affects an unknown code block of the component Tools. The manipulation as part of a Ethernet Frame leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. This is going to have an impact on availability.

The weakness was shared 05/27/2014 with Citrix Systems as CTX140814 as confirmed advisory (Website). The advisory is shared at The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2014-3798 since 05/20/2014. Access to the local network is required for this attack. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 74328 (Citrix XenServer Windows Guest Tools Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

Windows guest VMs that do not contain the XenServer tools are not affected by this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 67693), X-Force (93458), Secunia (SA58455), SecurityTracker (ID 1030304) and Vulnerability Center (SBV-44852).





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 74328
Nessus Name: Citrix XenServer Windows Guest Tools Remote DoS
Nessus File: 🔍
Nessus Family: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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05/20/2014 🔍
05/25/2014 +5 days 🔍
05/27/2014 +2 days 🔍
05/27/2014 +0 days 🔍
05/27/2014 +0 days 🔍
05/28/2014 +1 days 🔍
05/29/2014 +1 days 🔍
05/29/2014 +0 days 🔍
06/05/2014 +7 days 🔍
06/10/2014 +5 days 🔍
06/22/2016 +743 days 🔍
05/30/2017 +342 days 🔍



Advisory: CTX140814
Organization: Citrix Systems
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-3798 (🔍)
SecurityFocus: 67693 - Citrix XenServer Windows Guest Tools Denial of Service Vulnerability
Secunia: 58455 - Citrix XenServer Tools Ethernet Frame Handling Windows Guest Denial of Service Vulnerabili, Less Critical
X-Force: 93458 - Citrix XenServer Windows Guest Tools denial of service, High Risk
SecurityTracker: 1030304 - Citrix XenServer Tools Bug Lets Remote Users Deny Service
Vulnerability Center: 44852 - Citrix XenServer Remote DoS via Specially Crafted Ethernet Frames, Medium


Created: 05/29/2014 05:24 PM
Updated: 05/30/2017 11:00 AM
Changes: (27) software_type source_cve_assigned source_secunia source_secunia_date source_secunia_title source_secunia_risk source_securityfocus source_securityfocus_date source_securityfocus_class source_securityfocus_title source_sectracker_date source_sectracker_title source_sectracker_cause source_vulnerabilitycenter source_vulnerabilitycenter_title source_vulnerabilitycenter_severity source_vulnerabilitycenter_creationdate source_vulnerabilitycenter_lastupdatedate source_vulnerabilitycenter_reportingdate source_xforce_title source_xforce_identifier source_xforce_risk source_nessus_name source_nessus_filename source_nessus_family source_nessus_date vulnerability_cwe
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