PaperCut · NG/MF
CVE-2023-27351
PaperCut NG/MF Improper Authentication Vulnerability
Nedir
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.
Ne yapmalı
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
ABD federal kurumları için son tarih: 4 Mayıs 2026
PaperCut için istismar edilen diğer açıklar
| Eklenme | Açık | Ürün | Önem | Saldırı olasılığı |
|---|---|---|---|---|
| 31 Ağu 2026 | Missing Authentication for Critical Function | NG/MF | Yüksek 8,8 | 84% |
| 31 Ağu 2026 | Unsafe Reflection | NG/MF | Kritik 9,4 | 61% |
| 28 Tem 2025 | Cross-Site Request Forgery (CSRF) | NG/MF | Yüksek 8,4 | 29% |
| 21 Nis 2023 | Improper Access Control | MF/NG | Kritik 9,8 | >99,9% |
Kaynaklar: Known Exploited Vulnerabilities (CISA, kamu malı), CVE records (cve.org) ve EPSS (FIRST). Saldırı olasılığı, birinin önümüzdeki 30 günde açığı istismar etmeye çalışacağına dair EPSS tahminidir.