CVE-2015-4173

Unquoted Windows search path vulnerability in the autorun value in Dell SonicWall NetExtender before 7.5.227 and 8.0.x before 8.0.238, as used in the SRA firmware before 7.5.1.2-40sv and 8.x before 8.0.0.3-23sv, allows local users to gain privileges via a Trojan horse program in the %SYSTEMDRIVE% folder.

Published: 2015-08-26 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4173 is rated Moderate Risk (56.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.07%). EPSS rose +1.73% over the last day, indicating growing attacker interest. 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-2015-4173

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 2026-06-15 0.34% 2.07% +1.73%
2 2025-06-14 0.35% 0.34% -0.01%
3 2025-05-18 — 0.35% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4173

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2015-4173

Affected software / configurations for CVE-2015-4173

Vendor Product Version Raw CPE
sonicwall netextender < 7.5.227 cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:*
sonicwall netextender >= 8.0, < 8.0.238 cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:*

References for CVE-2015-4173

cvelogic Threat Intelligence