Chamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution
Published Jul 23, 2018
9.8
CRITICALCVSS 3.1
EPSS 3.17%
Description
Chamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.
Affected products
No data.
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.2
- 1.11.4
- 1.11.4
- 1.11.4
- 1.11.4
- 1.11.4
- 1.11.6
- 1.11.6
- 1.11.8
- 1.11.8
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.17% (0.03175) | 87.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.41% (0.03413) | 87.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.77% (0.01773) | 81.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.44% (0.05444) | 83.24th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.79% (0.00788) | 81.67th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.79% (0.00788) | 81.23th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.74% (0.00742) | 80.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.76% (0.00755) | 80.45th | v3 (v2023.03.01) |
| Dec 14, 2023 | 1.63% (0.01627) | 86.10th | v3 (v2023.03.01) |
| Aug 21, 2023 | 1.57% (0.01568) | 85.60th | v3 (v2023.03.01) |
| Jul 17, 2023 | 1.11% (0.01110) | 82.60th | v3 (v2023.03.01) |
| May 8, 2023 | 0.99% (0.00988) | 81.26th | v3 (v2023.03.01) |
| Apr 23, 2023 | 0.80% (0.00798) | 79.15th | v3 (v2023.03.01) |
| Mar 8, 2023 | 0.63% (0.00634) | 75.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00822) | 79.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.98% (0.01978) | 79.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01978) | 77.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.98% (0.01978) | 56.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.46% (0.01459) | 32.95th | v1 |
| Jan 6, 2022 | 1.46% (0.01459) | 32.25th | v1 |
| Sep 1, 2021 | 1.46% (0.01459) | 72.46th | v1 |
| Apr 14, 2021 | 1.46% (0.01459) | 0.00th | v1 |
References (2)
- https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 x_refsource_CONFIRMPatchThird Party Advisory
- https://ibb.co/jBxe6y x_refsource_MISCMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://ibb.co/jBxe6y | x_refsource_MISCMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.