mod_auth_openidc: OIDC_CLAIM and OIDCAuthNHeader not skipped in an "AuthType oauth20" configuration
Published Mar 2, 2017
8.6
HIGHCVSS 3.0
EPSS 4.25%
Description
The "OpenID Connect Relying Party and OAuth 2.0 Resource Server" (aka mod_auth_openidc) module before 2.1.6 for the Apache HTTP Server does not skip OIDC_CLAIM_ and OIDCAuthNHeader headers in an "AuthType oauth20" configuration, which allows remote attackers to bypass authentication via crafted HTTP traffic.
Affected products
No data.
- ≤ 2.1.5
No data.
Red Hat Enterprise Linux 7
mod_auth_openidc-0:1.8.8-5.el7
Fixed · RHSA-2019:2112
Red Hat Enterprise Linux 8
mod_auth_openidc
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | mod_auth_openidc-0:1.8.8-5.el7 | Fixed | RHSA-2019:2112 |
| Red Hat Enterprise Linux 8 | mod_auth_openidc | Not affected | n/a |
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:N/I:P/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 1, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.25% (0.04253) | 90.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.25% (0.04253) | 89.74th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00408) | 59.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00271) | 68.75th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00271) | 66.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00271) | 62.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.33% (0.02335) | 53.78th | v1 |
| Jan 6, 2022 | 2.33% (0.02335) | 53.32th | v1 |
| Sep 1, 2021 | 2.33% (0.02335) | 78.29th | v1 |
| Apr 14, 2021 | 2.33% (0.02335) | 0.00th | v1 |
References (12)
- http://www.securityfocus.com/bid/96549 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2019:2112 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-6413 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1428855 Issue Tracking
- https://github.com/pingidentity/mod_auth_openidc/blob/master/ChangeLog x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/pingidentity/mod_auth_openidc/commit/21e3728a825c41ab41efa75e664108051bb9665e x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/pingidentity/mod_auth_openidc/releases/tag/v2.1.6 x_refsource_CONFIRMPatchRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2V3HIGXMUKJGOBMAQAQPGC7G5YYWSUVA/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EJXBG3DG2FUYFGTUTSJFMPIINVFKKB4Z/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTWUMQ46GZY3O4WU4JCF333LN53R2XQH/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2017-6413
- https://www.cve.org/CVERecord?id=CVE-2017-6413
Change history (0)
No recorded changes yet.