CVE-2023-49105

CRITICAL NUCLEI

ownCloud <10.13.1 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-49105. PoCs published by ambionics. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2023-49105, demonstrating arbitrary access to WebDAV resources in ownCloud. The exploit uses a proxy server to intercept and sign requests, bypassing authentication to access user files.

Description

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the owner of the files. The earliest affected version is 10.6.0.

Exploits (1)

nomisec WORKING POC 36 stars
by ambionics · poc
https://github.com/ambionics/owncloud-exploits

This repository contains a functional exploit for CVE-2023-49105, demonstrating arbitrary access to WebDAV resources in ownCloud. The exploit uses a proxy server to intercept and sign requests, bypassing authentication to access user files.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: ownCloud (versions affected by CVE-2023-49105)
No auth needed
Prerequisites: Network access to the target ownCloud instance · Python environment with required dependencies (ten library)
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

OwnCloud - WebDAV API Authentication Bypass
CRITICALby ChristianPoeschl,FlorianDewald,usdAG
Shodan: title:"owncloud" || http.title:"owncloud"
FOFA: title="owncloud"

Scores

CVSS v3 9.8
EPSS 0.1107
EPSS Percentile 95.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-287
Status published
Products (1)
owncloud/owncloud_server 10.6.0 - 10.13.1
Published Nov 21, 2023
Tracked Since Feb 18, 2026