Open Redirect in Greenpau Caddy-Security

CVE-2024-21497

Versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.

Vulnerability class: Open Redirect

EPSS: 0.005 (40.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21497?
CVE-2024-21497 is a medium-severity vulnerability in Greenpau Caddy-Security, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2024-02-17.
How severe is CVE-2024-21497?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-21497 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.