The "OpenID Connect Relying Party and OAuth 2.0 Resource Server" (aka mod_auth_openidc) module before 2.1.5 for the Apache HTTP Server does not skip OIDC_CLAIM_ and OIDCAuthNHeader headers in an "OIDCUnAuthAction pass" configuration, which allows remote attackers to bypass authentication via crafted HTTP traffic.
Conclusion & alert: CVE-2017-6062 is rated Moderate Risk (59/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.60%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-26 | 0.41% | 0.60% | +0.19% |
| 2 | 2025-11-21 | 0.52% | 0.41% | -0.10% |
| 3 | 2025-11-18 | — | 0.52% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.6 | 3.0 | HIGH |
|
3.9 | 4.0 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-6062 not yet assigned priority: Debian including 1 source packages (libapache2-mod-auth-openidc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-6062 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-6062 |
ubuntu
|
medium | CVE-2017-6062 medium priority: Ubuntu including 1 source packages (libapache2-mod-auth-openidc), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 16, ignored 3, DNE 2, needed 1, released 1. | https://ubuntu.com/security/CVE-2017-6062 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openidc | mod_auth_openidc | <= 2.1.4 | cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:* |