Vulnerability in Greenpau Caddy-Security

CVE-2024-21499

All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS.

EPSS: 0.005 (39.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21499?
CVE-2024-21499 is a medium-severity vulnerability in Greenpau Caddy-Security, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 4.3/10. Published 2024-02-17.
How severe is CVE-2024-21499?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-21499 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.