How severe is CVE-2012-4390?

CVE-2012-4390 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-4390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4390?

CVE-2012-4390 primarily affects Owncloud. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4390?

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

When was CVE-2012-4390 published?

CVE-2012-4390 was published on 2012-09-05 and last updated on 2026-06-16.

CVE-2012-4390

CVE-2012-4390 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Owncloud
Published: 2012-09-05
Last modified: 2026-06-16

Description

(1) apps/calendar/appinfo/remote.php and (2) apps/contacts/appinfo/remote.php in ownCloud before 4.0.7 allows remote authenticated users to enumerate the registered users via unspecified vectors.

Frequently asked questions

What is CVE-2012-4390?: (1) apps/calendar/appinfo/remote.php and (2) apps/contacts/appinfo/remote.php in ownCloud before 4.0.7 allows remote authenticated users to enumerate the registered users via unspecified vectors.
How severe is CVE-2012-4390?: CVE-2012-4390 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-4390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4390?: CVE-2012-4390 primarily affects Owncloud. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4390 published?: CVE-2012-4390 was published on 2012-09-05 and last updated on 2026-06-16.

References

Affected products (11)

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:*:*:*:*:*:*:*

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