In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will handle the access control incorrectly so that users only need to match part of the user name used for the access restriction
Published Nov 17, 2017
6.5
MEDIUMCVSS 3.0
EPSS 0.76%
Description
In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will handle the access control incorrectly so that users only need to match part of the user name used for the access restriction. For example, a user with the role ROLE_USER will have access to recordings published only for ROLE_USER_X.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.76% (0.00764) | 53.83th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.76% (0.00764) | 53.91th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00058) | 25.35th | v3 (v2023.03.01) |
| Apr 17, 2024 | 0.06% (0.00059) | 23.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00057) | 21.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (4)
- https://github.com/advisories/GHSA-hx44-c87v-p6xg Advisory
- https://github.com/opencast/opencast/commit/f1abcaf998a469a2081461e0e3b4211927849439
- https://nvd.nist.gov/vuln/detail/CVE-2017-1000221
- https://opencast.jira.com/browse/MH-11862 x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-hx44-c87v-p6xg | Advisory | |
| https://github.com/opencast/opencast/commit/f1abcaf998a469a2081461e0e3b4211927849439 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2017-1000221 | ||
| https://opencast.jira.com/browse/MH-11862 | x_refsource_CONFIRMExploitIssue TrackingVendor Advisory |
Change history (0)
No recorded changes yet.