CVE-2024-21500

Published: Feb 17, 2024Modified: Apr 3, 2025

6.5

Vector

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

Exploitability: 3.9 / Impact: 2.5

Source: NVD

Description

All versions of the package github.com/greenpau/caddy-security are vulnerable to Improper Restriction of Excessive Authentication Attempts via the two-factor authentication (2FA). Although the application blocks the user after several failed attempts to provide 2FA codes, attackers can bypass this blocking mechanism by automating the application’s full multistep 2FA process.

Affected (1)

Products: Authcrunch: Caddy Security

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Authcrunch Caddy Security	All versions

Related CWEs

Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

References (6)

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/

Source: report@snyk.io

ExploitThird Party Advisory

https://github.com/greenpau/caddy-security/issues/271

Source: report@snyk.io

Issue Tracking

https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864

Source: report@snyk.io

Third Party Advisory

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://github.com/greenpau/caddy-security/issues/271

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.