VDB-242938 · CVE-2023-31046 · EUVD-2023-35382

Papercut NG/MF up to 22.1.0 UIContentResource.class getStaticContent path traversal

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Papercut NG and MF up to 22.1.0. This vulnerability affects the function getStaticContent of the file UIContentResource.class. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2023-31046. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Papercut NG and MF up to 22.1.0. This vulnerability affects the function getStaticContent of the file UIContentResource.class. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. CVE summarizes:

A Path Traversal vulnerability exists in PaperCut NG before 22.1.1 and PaperCut MF before 22.1.1. Under specific conditions, this could potentially allow an attacker to achieve read-only access to the server's filesystem.

The weakness was presented 10/19/2023. The advisory is available at research.aurainfosec.io. This vulnerability was named CVE-2023-31046 since 04/24/2023. Technical details and also a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

It is possible to download the exploit at research.aurainfosec.io. It is declared as proof-of-concept.

Upgrading to version 22.1.1 eliminates this vulnerability. The upgrade is hosted for download at papercut.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-35382). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Papercut

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NG/MF 22.1.1

Timelineinfo

04/24/2023 🔍
10/19/2023 +178 days 🔍
10/19/2023 +0 days 🔍
12/24/2025 +797 days 🔍

Sourcesinfo

Advisory: research.aurainfosec.io
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-31046 (🔍)
GCVE (CVE): GCVE-0-2023-31046
GCVE (VulDB): GCVE-100-242938
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/19/2023 17:06
Updated: 12/24/2025 04:20
Changes: 10/19/2023 17:06 (46), 11/11/2023 13:22 (11), 12/24/2025 04:20 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.