CRITICAL
The user_openid app in ownCloud Server before 5.0.15 allows remote attackers to obtain access by leveraging an insecure OpenID implementation
Published Mar 26, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.59%
Description
The user_openid app in ownCloud Server before 5.0.15 allows remote attackers to obtain access by leveraging an insecure OpenID implementation.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.59% 0.02592
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02592
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.59% (0.02592) | 84.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.74% (0.02739) | 84.17th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.86% (0.00860) | 72.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.96% (0.01957) | 72.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.86% (0.00860) | 73.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.44% (0.00441) | 75.70th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00441) | 74.12th | v3 (v2023.03.01) |
| Aug 17, 2023 | 0.44% (0.00441) | 71.63th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.46% (0.00462) | 72.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.66% (0.00657) | 76.32th | 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) |
Weaknesses (1)
References (2)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91973 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://owncloud.org/security/advisories/insecure-openid-implementation/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/91973 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://owncloud.org/security/advisories/insecure-openid-implementation/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 26, 2018
Updated Aug 6, 2024
Reserved Feb 19, 2014
Link CVE-2014-2048
CISA Vulnrichment
Updated n/a