Vulnerability in Authcrunch Caddy-Security
CVE-2024-21500
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.
EPSS: 0.005 (42.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Authcrunch Caddy-security
- N/a Github.com/greenpau/caddy-security — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Third Party Advisory)
- report@snyk.io (Issue Tracking)
- report@snyk.io (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-21500?
- CVE-2024-21500 is a medium-severity vulnerability in Authcrunch Caddy-Security, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 4.8/10. Published 2024-02-17.
- How severe is CVE-2024-21500?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2024-21500 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.