CVE-2023-40044: progress ws ftp server

csirt@kutim:~/threat-intel/cve/CVE-2023-40044

CVSS 8.8 · High KEV · sudah dieksploitasi Dipakai ransomware EPSS 90,4%

Kerentanan Deserialization of Untrusted Data pada progress ws ftp server. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 5 Oktober 2023, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.

Rincian

Terbit di NVD: 27 September 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-502: Deserialization of Untrusted Data
EPSS (30 hari): 90,4% peluang dieksploitasi; lebih tinggi dari 99,7% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability
Masuk KEV: 5 Oktober 2023
Tenggat CISA: 26 Oktober 2023 (untuk instansi federal AS)
Ransomware: Tercatat dipakai dalam kampanye ransomware
Tindakan wajib: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
progress	ws ftp server	Semua versi sebelum 8.7.4
progress	ws ftp server	Versi 8.8 hingga sebelum 8.8.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 advisory vendor
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044 pemerintah AS
http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.htm... exploit · advisory pihak ketiga · vdb entry
https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044 advisory pihak ketiga
https://censys.com/cve-2023-40044/ advisory pihak ketiga
https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044 exploit · advisory pihak ketiga
https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/ broken link · advisory pihak ketiga
https://www.theregister.com/2023/10/02/ws_ftp_update/ press/media coverage · advisory pihak ketiga
https://www.progress.com/ws_ftp product

Sumber: NVD · CVE.org · KEV CISA · 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.