What is CVE-2016-9028?

CVE-2016-9028 is a high-severity vulnerability in Citrix Netscaler Application Delivery Controller, classified under CWE-254. CVSS score: 8.8/10. Published 2016-10-28.

How severe is CVE-2016-9028?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Citrix Netscaler Application Delivery Controller

CVE-2016-9028

Unauthorized redirect vulnerability in Citrix NetScaler ADC before 10.1 135.8, 10.5 61.11, 11.0 65.31/65.35F and 11.1 47.14 allows a remote attacker to steal session cookies of a legitimate AAA user via manipulation of Host header.

Published 2016-10-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.7th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Citrix Netscaler Application Delivery Controller
Citrix Netscaler Application Delivery Controller Firmware — versions 10.5, 11.0, 11.1

Weakness classification (CWE)

CWE-254

References

www.securityfocus.com/bid/93947 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1037175 (vdb-entry)
support.citrix.com/article/CTX218361 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-9028?: CVE-2016-9028 is a high-severity vulnerability in Citrix Netscaler Application Delivery Controller, classified under CWE-254. CVSS score: 8.8/10. Published 2016-10-28.
How severe is CVE-2016-9028?: High severity. CVSS v3 base score is 8.8 out of 10.