CVE-2020-20277: troglobit uftpd

csirt@kutim:~/threat-intel/cve/CVE-2020-20277

CVSS 9.8 · Critical EPSS 26,2%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada troglobit uftpd. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 due to improper implementation of a chroot jail in common.c's compose_abspath function that can be abused to read or write to arbitrary files on the filesystem, leak process memory, or potentially lead to remote code execution.

Rincian

Terbit di NVD: 18 Desember 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS (30 hari): 26,2% peluang dieksploitasi; lebih tinggi dari 97,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
troglobit	uftpd	Versi 2.7 hingga 2.10

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe patch · advisory pihak ketiga
http://packetstormsecurity.com/files/167908/uftpd-2.10-Directory-Traversal.html exploit · advisory pihak ketiga · vdb entry
https://arinerron.com/blog/posts/6 advisory pihak ketiga

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.