CVE-2024-21500 — MEDIUM (4.8)

Vulnerability 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.

CVSS Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Authcrunch	Caddy-Security	All versions

Related Weaknesses (CWE)

CWE-307

References

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddExploitThird Party Advisory
https://github.com/greenpau/caddy-security/issues/271Issue Tracking
https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864Third Party Advisory
https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddExploitThird Party Advisory
https://github.com/greenpau/caddy-security/issues/271Issue Tracking
https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864Third Party Advisory

FAQ

What is CVE-2024-21500?

CVE-2024-21500 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 applica...

How severe is CVE-2024-21500?

CVE-2024-21500 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-21500?

Check the references section above for vendor advisories and patch information. Affected products include: Authcrunch Caddy-Security.