CVE-2023-31059

HIGH EXPLOITED NUCLEI

Repetier Server <1.4.10 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-31059 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including mbanyamer. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional Python exploit for CVE-2023-31059, an unauthenticated path traversal vulnerability in Repetier-Server ≤ 1.4.10. The exploit leverages improper sanitization of Windows backslash sequences (..%5c) to read arbitrary files via the connectionLost.php endpoint.

Description

Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.

Exploits (1)

nomisec WORKING POC
by mbanyamer · infoleak
https://github.com/mbanyamer/CVE-2023-31059-Repetier-Server-1.4.10-Unauthenticated-Path-Traversal

This repository contains a functional Python exploit for CVE-2023-31059, an unauthenticated path traversal vulnerability in Repetier-Server ≤ 1.4.10. The exploit leverages improper sanitization of Windows backslash sequences (..%5c) to read arbitrary files via the connectionLost.php endpoint.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Repetier-Server ≤ 1.4.10
No auth needed
Prerequisites: Network access to the target server · Repetier-Server running on Windows
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Nuclei Templates (1)

Repetier Server - Directory Traversal
HIGHVERIFIEDby parthmalhotra,pdresearch
Shodan: title:"Repetier-Server" || http.title:"repetier-server"
FOFA: title="Repetier-Server" || title="repetier-server"

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0557
EPSS Percentile 91.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2025-01-13
CWE
CWE-22
Status published
Products (1)
repetier-server/repetier-server < 1.4.10
Published Apr 24, 2023
Tracked Since Feb 18, 2026