CVE-2023-27350
CRITICAL KEV RANSOMWARE NUCLEIPapercut MF < 20.1.7 - Improper Access Control
Title source: ruleDescription
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.
Exploits (16)
exploitdb
WORKING POC
by MaanVader · pythonwebappsmultiple
https://www.exploit-db.com/exploits/51452
exploitdb
WORKING POC
by MaanVader · pythonwebappsmultiple
https://www.exploit-db.com/exploits/51391
nomisec
WORKING POC
12 stars
by imancybersecurity · infoleak
https://github.com/imancybersecurity/CVE-2023-27350-POC
nomisec
WORKING POC
by Royall-Researchers · remote
https://github.com/Royall-Researchers/CVE-2023-27350
nomisec
NO CODE
by rasan2001 · poc
https://github.com/rasan2001/CVE-2023-27350-Ongoing-Exploitation-of-PaperCut-Remote-Code-Execution-Vulnerability
metasploit
WORKING POC
EXCELLENT
by catatonicprime · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/papercut_ng_auth_bypass.rb
Nuclei Templates (1)
PaperCut - Unauthenticated Remote Code Execution
CRITICALVERIFIEDby rootxharsh,iamnoooob,pdresearch
Shodan:
http.html:"PaperCut" || http.html:"papercut" || http.html:"content=\"papercut\"" || cpe:"cpe:2.3:a:papercut:papercut_mf"
FOFA:
body="papercut" || body="content=\"papercut\""
References (8)
Scores
CVSS v3
9.8
EPSS
0.9426
EPSS Percentile
99.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CISA KEV
2023-04-21
VulnCheck KEV
2023-04-18
InTheWild.io
2023-04-21
ENISA EUVD
EUVD-2023-31126
Ransomware Use
Confirmed
CWE
CWE-284
Status
published
Products (2)
papercut/papercut_mf
8.0 - 20.1.7
papercut/papercut_ng
8.0 - 20.1.7
Published
Apr 20, 2023
KEV Added
Apr 21, 2023
Tracked Since
Feb 18, 2026