CVE-2013-1850

CVE-2013-1850 is a medium-severity vulnerability in Owncloud Owncloud Server with a CVSS 2.0 base score of 6.5. 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-94.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.5)
• EPSS exploit prediction: 1% (64th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-94
• Affected product: Owncloud Owncloud Server
• Published: 2014-03-14
• Last modified: 2026-06-16

Description

Multiple incomplete blacklist vulnerabilities in (1) import.php and (2) ajax/uploadimport.php in apps/contacts/ in ownCloud before 4.0.13 and 4.5.x before 4.5.8 allow remote authenticated users to execute arbitrary PHP code by uploading a .htaccess file.

Frequently asked questions

What is CVE-2013-1850?

Multiple incomplete blacklist vulnerabilities in (1) import.php and (2) ajax/uploadimport.php in apps/contacts/ in ownCloud before 4.0.13 and 4.5.x before 4.5.8 allow remote authenticated users to execute arbitrary PHP code by uploading a .htaccess file.

How severe is CVE-2013-1850?

CVE-2013-1850 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2013-1850 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1850?

CVE-2013-1850 primarily affects Owncloud Owncloud Server. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1850?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1850 published?

CVE-2013-1850 was published on 2014-03-14 and last updated on 2026-06-16.

References

• http://owncloud.org/about/security/advisories/oC-SA-2013-009/

Affected products (25)

• cpe:2.3:a:owncloud:owncloud_server:4.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:4.0.11:*:*:*:*:*:*:*

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