What is CVE-2024-21637?

CVE-2024-21637 is a high-severity vulnerability in Goauthentik Authentik, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2024-01-11.

How severe is CVE-2024-21637?

High severity. CVSS v3 base score is 7.6 out of 10.

XSS in Goauthentik Authentik

CVE-2024-21637

Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with `response_mode=form_post`. This relatively user could use the described attacks to perform a privilege escalation. This vulnerability has been patched in versions 2023.10.6 and 2023.8.6.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Goauthentik Authentik — versions <= 2023.10.5, <= 2023.8.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2024-21637?: CVE-2024-21637 is a high-severity vulnerability in Goauthentik Authentik, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2024-01-11.
How severe is CVE-2024-21637?: High severity. CVSS v3 base score is 7.6 out of 10.