VULNERABILITY INTELLIGENCE

CVE-2023-49105

CVSS score9.8 CRITICAL

EPSS probability43.19%

CISA KEVKnown exploited vulnerability

Published2023-11-21

Last modified2026-08-28

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

ownCloud Improper Authentication Vulnerability

Vendor / product: ownCloud / ownCloud

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.

Weakness classification

nvd@nist.gov: CWE-287
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-287

Primary references

cve@mitre.org — Vendor Advisory
cve@mitre.org — Product
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Product
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource