What is CVE-2014-3798?

CVE-2014-3798 is a medium-severity vulnerability in Citrix Xenserver, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-07-11.

How severe is CVE-2014-3798?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Citrix Xenserver

CVE-2014-3798

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-07-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Citrix Xenserver — versions 6.0, 6.0.2, 6.1.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securitytracker.com/id/1030304 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/67693 (VDB Entry, Third Party Advisory, vdb-entry)
support.citrix.com/article/CTX140814 (Patch, Vendor Advisory)
secunia.com/advisories/58455 (Permissions Required, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2014-3798?: CVE-2014-3798 is a medium-severity vulnerability in Citrix Xenserver, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-07-11.
How severe is CVE-2014-3798?: Medium severity. CVSS v3 base score is 6.5 out of 10.