ownCloud · ownCloud
CVE-2023-49105
ownCloud Improper Authentication Vulnerability
무엇인가
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.
CISA: ownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured.
할 일
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
미국 연방 기관 조치 기한: 2026년 8월 30일
ownCloud의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2023. 11. 30. | graphapi Information Disclosure | ownCloud graphapi | 치명적 10.0 | 78% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.