How severe is CVE-2012-5336?

CVE-2012-5336 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-5336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5336?

CVE-2012-5336 primarily affects Owncloud. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5336?

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

When was CVE-2012-5336 published?

CVE-2012-5336 was published on 2014-06-04 and last updated on 2026-06-16.

CVE-2012-5336

CVE-2012-5336 is a medium-severity vulnerability in Owncloud with a CVSS 2.0 base score of 4.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Owncloud
Published: 2014-06-04
Last modified: 2026-06-16

Description

lib/base.php in ownCloud before 4.0.8 does not properly validate the user_id session variable, which allows remote authenticated users to read arbitrary files via vectors related to WebDAV.

Frequently asked questions

What is CVE-2012-5336?: lib/base.php in ownCloud before 4.0.8 does not properly validate the user_id session variable, which allows remote authenticated users to read arbitrary files via vectors related to WebDAV.
How severe is CVE-2012-5336?: CVE-2012-5336 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-5336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5336?: CVE-2012-5336 primarily affects Owncloud. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5336 published?: CVE-2012-5336 was published on 2014-06-04 and last updated on 2026-06-16.

References

http://owncloud.org/about/security/advisories/CVE-2012-5336/

Affected products (8)

cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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