CVE-2015-4718

The external SMB storage driver in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 allows remote authenticated users to execute arbitrary SMB commands via a ; (semicolon) character in a file.

Published: 2015-10-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4718 is rated High Risk (68.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.04%). EPSS rose +2.05% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2015-4718

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 0.99% 3.04% +2.05%
2 2025-06-24 0.61% 0.99% +0.38%
3 2025-03-30 — 0.61% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4718

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C 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:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2015-4718

OS Trackers for CVE-2015-4718

vendor priority summary link
ubuntu medium CVE-2015-4718 medium priority: Ubuntu including 1 source packages (owncloud), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): DNE 3, not-affected 1, released 1. https://ubuntu.com/security/CVE-2015-4718

Affected software / configurations for CVE-2015-4718

Vendor Product Version Raw CPE
owncloud owncloud <= 6.0.7 cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.0 cpe:2.3:a:owncloud:owncloud_server:7.0.0:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.1 cpe:2.3:a:owncloud:owncloud_server:7.0.1:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.2 cpe:2.3:a:owncloud:owncloud_server:7.0.2:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.3 cpe:2.3:a:owncloud:owncloud_server:7.0.3:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.4 cpe:2.3:a:owncloud:owncloud_server:7.0.4:*:*:*:*:*:*:*
owncloud owncloud_server 7.0.5 cpe:2.3:a:owncloud:owncloud_server:7.0.5:*:*:*:*:*:*:*
owncloud owncloud_server 8.0.0 cpe:2.3:a:owncloud:owncloud_server:8.0.0:*:*:*:*:*:*:*
owncloud owncloud_server 8.0.2 cpe:2.3:a:owncloud:owncloud_server:8.0.2:*:*:*:*:*:*:*
owncloud owncloud_server 8.0.3 cpe:2.3:a:owncloud:owncloud_server:8.0.3:*:*:*:*:*:*:*

References for CVE-2015-4718

cvelogic Threat Intelligence