CVE-2023-27351
PaperCut NG/MF Improper Authentication Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.5
- EPSS
- 78.4% 백분위 99.5% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.05.04
- 공개일
- 2023.04.21
CISA KEV에 등록된 실제 악용 확인 취약점
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 SecurityRequestFilter class. The issue results from improper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19226.
공급사 PaperCut
제품 NG/MF
영향 버전 22.0.5 (Build 63914), >= 15.0 < 20.1.7, >= 21.0.0 < 21.2.11, >= 22.0.0 < 22.0.9
수정 버전 20.1.7, 21.2.11, 22.0.9
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2026.05.04CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-287
KEV 등록일 2026.04.20
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 ; https://nvd.nist.gov/vuln/detail/CVE-2023-27351
EPSS 데이터 기준일 2026.06.27