Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2
Published Mar 18, 2011
3.5
LOWCVSS 2.0
EPSS 0.90%
Description
Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.
Affected products
No data.
- ≤ 2.4.3
- 0.5
- 0.5
- 0.5
- 0.5
- 0.5
- 0.5
- 0.5
- 0.5
- 1.0
- 1.0
- 1.0
- 1.0.0
- 1.0.1
- 1.0.2
- 1.1
- 1.1.0
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.1.0
- 2.1.0
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.8
- 2.1.9
- 2.2.0
- 2.2.0
- 2.2.0
- 2.2.0
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 2.2.9
- 2.3.0
- 2.3.0
- 2.3.0
- 2.3.0
- 2.3.0
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.4.0
- 2.4.0
- 2.4.0
- 2.4.0
- 2.4.0
- 2.4.0
- 2.4.1
- 2.4.2
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:M/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.90% (0.00896) | 58.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.90% (0.00896) | 54.69th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00105) | 26.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00104) | 44.25th | v3 (v2023.03.01) |
| May 10, 2024 | 0.12% (0.00116) | 45.03th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.11% (0.00109) | 42.74th | v3 (v2023.03.01) |
| Nov 6, 2023 | 0.10% (0.00104) | 42.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00111) | 42.53th | 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://bugs.otrs.org/show_bug.cgi?id=4105 x_refsource_CONFIRM
- http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807 x_refsource_CONFIRMExploitPatch
| Link | Providers | Tags |
|---|---|---|
| http://bugs.otrs.org/show_bug.cgi?id=4105 | x_refsource_CONFIRM | |
| http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807 | x_refsource_CONFIRMExploitPatch |
Change history (0)
No recorded changes yet.