CVE-2018-17447

An Information Exposure Through Log Files 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.

Published: 2018-10-23 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-17447 is rated Moderate Risk (48.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-17447

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.63% 0.34% -0.29%
2 2025-03-29 0.34% 0.63% +0.29%
3 2025-03-17 0.34%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-17447

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-17447

Affected software / configurations for CVE-2018-17447

Vendor Product Version Raw CPE
citrix netscaler_sd-wan >= 9.3.0, < 9.3.6 cpe:2.3:a:citrix:netscaler_sd-wan:*:*:*:*:*:*:*:*
citrix netscaler_sd-wan >= 10.0.0, < 10.0.4 cpe:2.3:a:citrix:netscaler_sd-wan:*:*:*:*:*:*:*:*
citrix sd-wan 10.1.0 cpe:2.3:a:citrix:sd-wan:10.1.0:*:*:*:*:*:*:*

References for CVE-2018-17447

URL Tags
http://www.securityfocus.com/bid/105711 Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX236992 Patch Vendor Advisory
cvelogic Threat Intelligence