CVE-2015-4716

Directory traversal vulnerability in the routing component in ownCloud Server before 7.0.6 and 8.0.x before 8.0.4, when running on Windows, allows remote attackers to reinstall the application or execute arbitrary code via unspecified vectors.

Published: 2015-10-21 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-4716 is rated High Risk (77.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 19.52%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.17% over the last day, indicating growing attacker interest. Mandatory action: 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-2015-4716

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 2026-05-13 15.35% 19.52% +4.17%
2 2026-05-09 18.57% 15.35% -3.21%
3 2026-01-01 18.57%

Full EPSS history (36 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4716

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/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: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.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-4716

OS Trackers for CVE-2015-4716

vendor priority summary link
ubuntu medium CVE-2015-4716 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-2015-4716

Affected software / configurations for CVE-2015-4716

Vendor Product Version Raw CPE
owncloud owncloud <= 7.0.5 cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
microsoft windows cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*

References for CVE-2015-4716

cvelogic Threat Intelligence