EUVD Vulnerability Catalog Actively Exploited (KEV)

EUVD-2023-53114

Severity: CRITICAL Base Score: 9.8 CVSS Version: 3.1

Vulnerability 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.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N

▪ Attack Complexity (AC): Low

▪ Attack Vector (AV): Network

▪ Availability Impact (A): High

▪ Confidentiality Impact (C): High

▪ Integrity Impact (I): High

▪ Privileges Required (PR): None

▪ Scope (S): Unchanged

▪ User Interaction (UI): None

Affected Vendors & Systems

Vendor n/a

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

mitre

EPSS Probability

11.07

Known Aliases

CVE-2023-49105 GHSA-585g-f852-v6p4

Published On

2023-11-21

Last Updated

2024-08-29

Exploited Since

2026-08-27