CVE-2024-21500: authcrunch caddy-security

csirt@kutim:~/threat-intel/cve/CVE-2024-21500

CVSS 6.5 · Medium EPSS 0,53%

Kerentanan Improper Restriction of Excessive Authentication Attempts pada authcrunch caddy-security. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 17 Februari 2024
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-307: Improper Restriction of Excessive Authentication Attempts
EPSS (30 hari): 0,53% peluang dieksploitasi; lebih tinggi dari 43,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
authcrunch	caddy-security	Semua versi

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/ exploit · advisory pihak ketiga
https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864 advisory pihak ketiga
https://github.com/greenpau/caddy-security/issues/271 issue tracking

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.