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CVE-2023-27350

Quick assessment

Affected
PaperCut NG
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PaperCut NG是澳大利亚PaperCut公司的一套下一代打印机控制软件。 PaperCut NG 22.0.5版本存在访问控制错误漏洞，该漏洞源于访问控制不当，攻击者利用该漏洞可以绕过身份验证并在系统上下文中执行任意代码。

AI Predicted 9.8 Difficulty: Easy KEV · Ransomware EPSS 100.00% · P100
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I. Basic Information for CVE-2023-27350

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PaperCut NG 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PaperCut NG是澳大利亚PaperCut公司的一套下一代打印机控制软件。 PaperCut NG 22.0.5版本存在访问控制错误漏洞，该漏洞源于访问控制不当，攻击者利用该漏洞可以绕过身份验证并在系统上下文中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
PaperCut NG 22.0.5 (Build 63914) -

II. Public POCs for CVE-2023-27350

# POC Description Source Link Shenlong Link
1 A simple python script to check if a service is vulnerable https://github.com/MaanVader/CVE-2023-27350-POC POC Details
2 None https://github.com/0ximan1337/CVE-2023-27350-POC POC Details
3 Proof of Concept Exploit for PaperCut CVE-2023-27350 https://github.com/horizon3ai/CVE-2023-27350 POC Details
4 Exploit for Papercut CVE-2023-27350. [+] Reverse shell [+] Mass checking https://github.com/adhikara13/CVE-2023-27350 POC Details
5 Perfom With Massive Authentication Bypass In PaperCut MF/NG https://github.com/ThatNotEasy/CVE-2023-27350 POC Details
6 Python 2.7 https://github.com/Jenderal92/CVE-2023-27350 POC Details
7 None https://github.com/imancybersecurity/CVE-2023-27350-POC POC Details
8 None https://github.com/ASG-CASTLE/CVE-2023-27350 POC Details
9 None https://github.com/rasan2001/CVE-2023-27350 POC Details
10 None https://github.com/rasan2001/CVE-2023-27350-Ongoing-Exploitation-of-PaperCut-Remote-Code-Execution-Vulnerability POC Details
11 Unauthenticated remote command execution in Papercut service allows an attacker to execute commands due to improper access controls in the SetupCompleted Java class. https://github.com/monke443/CVE-2023-27350 POC Details
12 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. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-27350.yaml POC Details
13 PoC for CVE-2023-27350 https://github.com/0xB0y426/CVE-2023-27350-PoC POC Details
14 Papercut Vulnerability, Affected Versions are PaperCut MF or NG version 8.0 or later (excluding patched versions) on all OS platforms. https://github.com/Royall-Researchers/CVE-2023-27350 POC Details
15 PaperCut NG/MG Authentication Bypass and Remote Code Execution (RCE) Exploit Tool. A standalone Bash implementation of the PaperCut exploit chain, featuring optional proxy support, automated session elevation, and dynamic command injection via the print scripting engine. Designed for security auditing and authorized penetration testing. https://github.com/dezso-dfield/CVE-2023-27350 POC Details
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III. Intelligence Information for CVE-2023-27350

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Vendor Advisories for CVE-2023-27350 (1)

Exploits & Public PoCs for CVE-2023-27350 (4)

Other References for CVE-2023-27350 (2)

IV. Related Vulnerabilities

Same product: NG
Same vendor: PaperCut
Same weakness: CWE-284

V. Comments for CVE-2023-27350

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