CVE-2024-24814: mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP serve
CVE-2024-24814 is a high-severity flaw (CVSS 7.5) affecting mod auth openidc, debian linux, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In affected versions missing input validation on mod_auth_openidc_session_chunks cookie value makes the server vulnerable to a denial of service (DoS) attack. An internal security audit has been conducted and the reviewers found that if they manipulated the value of the mod
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-400 |
| Published | 2024-02-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-24814?
mod auth openidc: upgrade to newer than 2.4.15.1; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2024-24814 being exploited?
CVE-2024-24814 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-24814 affect?
CVE-2024-24814 affects mod auth openidc, debian linux, fedora. Severity is high (CVSS 7.5). mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In affected versions missing input validation on mod_auth_openid
How urgent is CVE-2024-24814?
Priority 59/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist