CRITICAL
The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated
Published Apr 4, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.21%
Description
The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated.
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.
2.21% 0.02210
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.02210
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.21% (0.02210) | 81.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.33% (0.02335) | 81.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.58% (0.04585) | 88.20th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.16% (0.06157) | 84.28th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.58% (0.04585) | 88.49th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.33% (0.00330) | 71.35th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00330) | 70.26th | v3 (v2023.03.01) |
| Aug 26, 2023 | 0.33% (0.00330) | 67.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00406) | 69.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://www.securityfocus.com/bid/103695 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://auth0.com/docs/security/bulletins/cve-2018-6873 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103695 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://auth0.com/docs/security/bulletins/cve-2018-6873 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 4, 2018
Updated Aug 5, 2024
Reserved Feb 9, 2018
Link CVE-2018-6873
CISA Vulnrichment
Updated n/a