CVE-2014-9043

CVE-2014-9043 is a medium-severity vulnerability in Owncloud with a CVSS 2.0 base score of 5.0. 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-287.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 2% (78th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Owncloud
• Published: 2015-02-04
• Last modified: 2026-06-17

Description

The user_ldap (aka LDAP user and group backend) application in ownCloud before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 allows remote attackers to bypass authentication via a null byte in the password and a valid user name, which triggers an unauthenticated bind.

Frequently asked questions

What is CVE-2014-9043?

The user_ldap (aka LDAP user and group backend) application in ownCloud before 5.0.18, 6.x before 6.0.6, and 7.x before 7.0.3 allows remote attackers to bypass authentication via a null byte in the password and a valid user name, which triggers an unauthenticated bind.

How severe is CVE-2014-9043?

CVE-2014-9043 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-9043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9043?

CVE-2014-9043 primarily affects Owncloud. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-9043?

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

When was CVE-2014-9043 published?

CVE-2014-9043 was published on 2015-02-04 and last updated on 2026-06-17.

References

• https://owncloud.org/security/advisory/?id=oc-sa-2014-020

Affected products (28)

• cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.14:a:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:5.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:owncloud:owncloud_server:6.0.5:*:*:*:*:*:*:*
• 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:*:*:*:*:*:*:*

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