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
Published Jun 5, 2014
4.0
MEDIUMCVSS 2.0
EPSS 1.00%
Description
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.
Affected products
No data.
- ≤ 4.5.6
- 4.5.0
- 4.5.1
- 4.5.2
- 4.5.3
- 4.5.4
- 4.5.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.00% (0.01000) | 61.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.00% (0.01000) | 58.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00176) | 36.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00086) | 38.14th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.09% (0.00086) | 36.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00086) | 34.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (2)
- http://owncloud.org/about/security/advisories/oC-SA-2013-007/ x_refsource_CONFIRMVendor Advisory
- http://securite.intrinsec.com/wp-content/uploads/2013/02/ISEC-V2013-01-v-1.0-Owncloud-4.5.4-Arbitrary-calendar-export.pdf x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://owncloud.org/about/security/advisories/oC-SA-2013-007/ | x_refsource_CONFIRMVendor Advisory | |
| http://securite.intrinsec.com/wp-content/uploads/2013/02/ISEC-V2013-01-v-1.0-Owncloud-4.5.4-Arbitrary-calendar-export.pdf | x_refsource_MISC |
Change history (0)
No recorded changes yet.