CVE-2023-27350: papercut mf +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2023-27350

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 100,0%

Kerentanan Improper Access Control pada papercut mf, papercut ng. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 21 April 2023, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.

Rincian

Terbit di NVD: 20 April 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
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-284: Improper Access Control
EPSS (30 hari): 100,0% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: PaperCut MF/NG Improper Access Control Vulnerability
Masuk KEV: 21 April 2023
Tenggat CISA: 12 Mei 2023 (untuk instansi federal AS)
Ransomware: Tercatat dipakai dalam kampanye ransomware
Tindakan wajib: Apply updates per vendor instructions.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
papercut	papercut mf	Versi 8.0 hingga sebelum 20.1.7
papercut	papercut mf	Versi 21.0.0 hingga sebelum 21.2.11
papercut	papercut mf	Versi 22.0.0 hingga sebelum 22.0.9
papercut	papercut ng	Versi 8.0 hingga sebelum 20.1.7
papercut	papercut ng	Versi 21.0.0 hingga sebelum 21.2.11
papercut	papercut ng	Versi 22.0.0 hingga sebelum 22.0.9

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 advisory vendor
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350 pemerintah AS
http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html exploit · advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html exploit · advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html exploit · advisory pihak ketiga · vdb entry
https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/ advisory pihak ketiga
https://www.zerodayinitiative.com/advisories/ZDI-23-233/ advisory pihak ketiga · vdb entry

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.