How serious is CVE-2024-21497?

This vulnerability has a CVSS score of 6.1 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2024-21497?

Yes, proof-of-concept exploit code for CVE-2024-21497 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2024-21497?

CVE-2024-21497 affects greenpau caddy-security. Check the full CVE details for specific version information.

How do I fix CVE-2024-21497?

To remediate CVE-2024-21497, check for security patches from greenpau. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2024-21497

Medium

|6.1

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to trick users into visiting a malicious website by manipulating a URL with a specific parameter. To exploit it, the user must click on a button or use the back button, which triggers the redirect to the harmful site.

Technical Description

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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

Confidentiality ImpactLow

Integrity ImpactLow

Availability ImpactNone

ScopeChanged

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$862($500-$1K)

Vendor Response

Grade FPatched in 745 days

Quick Information

Published

Feb 17, 2024

about 2 years ago

Last Modified

Mar 3, 2026

about 1 month ago

Vendor

greenpau

Product

caddy-security