How severe is CVE-2015-6500?

CVE-2015-6500 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-6500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6500?

CVE-2015-6500 primarily affects Owncloud Owncloud Server. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6500?

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

When was CVE-2015-6500 published?

CVE-2015-6500 was published on 2015-10-26 and last updated on 2026-06-17.

CVE-2015-6500

CVE-2015-6500 is a high-severity vulnerability in Owncloud Owncloud Server with a CVSS 2.0 base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Owncloud Owncloud Server
Published: 2015-10-26
Last modified: 2026-06-17

Description

Directory traversal vulnerability in ownCloud Server before 8.0.6 and 8.1.x before 8.1.1 allows remote authenticated users to list directory contents and possibly cause a denial of service (CPU consumption) via a .. (dot dot) in the dir parameter to index.php/apps/files/ajax/scan.php.

Frequently asked questions

What is CVE-2015-6500?: Directory traversal vulnerability in ownCloud Server before 8.0.6 and 8.1.x before 8.1.1 allows remote authenticated users to list directory contents and possibly cause a denial of service (CPU consumption) via a .. (dot dot) in the dir parameter to index.php/apps/files/ajax/scan.php.
How severe is CVE-2015-6500?: CVE-2015-6500 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6500?: CVE-2015-6500 primarily affects Owncloud Owncloud Server. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6500?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-6500 published?: CVE-2015-6500 was published on 2015-10-26 and last updated on 2026-06-17.

References

Affected products (14)

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:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:7.0.7:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.0.4:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.0.5:*:*:*:*:*:*:*
cpe:2.3:a:owncloud:owncloud_server:8.1.0:*:*:*:*:*:*:*

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