What is CVE-2018-17445?

CVE-2018-17445 is a critical-severity vulnerability in Citrix Netscaler Sd-Wan, classified under Command Injection. CVSS score: 9.8/10. Published 2018-10-23.

How severe is CVE-2018-17445?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Citrix Netscaler Sd-Wan

CVE-2018-17445

A Command Injection issue was discovered in Citrix SD-WAN 10.1.0 and NetScaler SD-WAN 9.3.x before 9.3.6 and 10.0.x before 10.0.4.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-10-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.111 (95.8th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000

Affected products

Citrix Netscaler Sd-Wan
Citrix Sd-Wan — versions 10.1.0

Weakness classification (CWE)

CWE-77 — Command Injection

References

support.citrix.com/article/CTX236992 (Patch, Vendor Advisory)
www.securityfocus.com/bid/105711 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-17445?: CVE-2018-17445 is a critical-severity vulnerability in Citrix Netscaler Sd-Wan, classified under Command Injection. CVSS score: 9.8/10. Published 2018-10-23.
How severe is CVE-2018-17445?: Critical severity. CVSS v3 base score is 9.8 out of 10.