PaperCut · NG/MF
CVE-2023-27351
PaperCut NG/MF Improper Authentication Vulnerability
무엇인가
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.
CISA: PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.
할 일
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
미국 연방 기관 조치 기한: 2026년 5월 4일
PaperCut의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 8. 31. | Missing Authentication for Critical Function | NG/MF | 높음 8.8 | 84% |
| 2026. 8. 31. | Unsafe Reflection | NG/MF | 치명적 9.4 | 61% |
| 2025. 7. 28. | Cross-Site Request Forgery (CSRF) | NG/MF | 높음 8.4 | 29% |
| 2023. 4. 21. | Improper Access Control | MF/NG | 치명적 9.8 | >99.9% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.