ownCloud Server before 4.5.7 does not properly check ownership of calendars, which allows…
Priority LOW 21CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
ownCloud Server before 4.5.7 does not properly check ownership of calendars, which allows remote authenticated users to read arbitrary calendars via the calid parameter to /apps/calendar/export.php. NOTE: this issue has been reported as a cross-site request forgery (CSRF) vulnerability, but due to lack of details, it is uncertain what the root cause is.
Why it matters now
EPSS 0.01 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:* | up to 4.5.6 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.0:*:*:*:*:*:*:* | 4.5.0 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.1:*:*:*:*:*:*:* | 4.5.1 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.2:*:*:*:*:*:*:* | 4.5.2 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.3:*:*:*:*:*:*:* | 4.5.3 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.4:*:*:*:*:*:*:* | 4.5.4 | Vulnerable | ownCloud |
| cpe:2.3:a:owncloud:owncloud_server:4.5.5:*:*:*:*:*:*:* | 4.5.5 | Vulnerable | ownCloud |
- cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:* Versions up to 4.5.6 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.0:*:*:*:*:*:*:* Versions 4.5.0 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.3:*:*:*:*:*:*:* Versions 4.5.3 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.4:*:*:*:*:*:*:* Versions 4.5.4 Vulnerable ·ownCloud
- cpe:2.3:a:owncloud:owncloud_server:4.5.5:*:*:*:*:*:*:* Versions 4.5.5 Vulnerable ·ownCloud
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-0304
- 2026-10-03 Alias added: GHSA-7qg6-gcc3-hfpq
References
More Owncloud vulnerabilities
- TI-2015-03941 Directory traversal vulnerability in the routing component in ownCloud Server before… CVSS 2.0HIGH 10.0
- TI-2014-01613 Zend Framework, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows… CVSS 3.1CRITICAL 9.8
- TI-2014-01609 The user_openid app in ownCloud Server before 5.0.15 allows remote attackers to obtain… CVSS 3.0CRITICAL 9.8
- TI-2014-01605 Incomplete blacklist vulnerability in ajax/upload.php in ownCloud before 5.0, when… CVSS 2.0HIGH 7.5
- TI-2021-14401 A receiver of a federated share with access to the database with ownCloud version before… CVSS 3.1CRITICAL 9.8
- TI-2015-06395 icewind1991 SMB before 1.0.3 allows remote authenticated users to execute arbitrary SMB… CVSS 2.0HIGH 9.0
Sources
- CVE-2013-0304 · CVE Program
- CVE-2013-0304 · NVD
- FIRST EPSS
- GHSA-7qg6-gcc3-hfpq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences