How severe is CVE-2015-4718?

CVE-2015-4718 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-4718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4718?

CVE-2015-4718 primarily affects Owncloud. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4718?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-4718 published?

CVE-2015-4718 was published on 2015-10-21 and last updated on 2026-06-17.

CVE-2015-4718

CVE-2015-4718 is a critical-severity vulnerability in Owncloud with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Owncloud
Published: 2015-10-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-4718?: CVE-2015-4718 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-4718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4718?: CVE-2015-4718 primarily affects Owncloud. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4718?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-4718 published?: CVE-2015-4718 was published on 2015-10-21 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.0.2:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.0.3:*:*:*:*:*:*:*

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