Auth bypass in Nextcloud Server
CVE-2020-8154
An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Nextcloud Nextcloud_server
- N/a Nextcloud Server — versions 18.0.3
Weakness classification (CWE)
References
- support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-8154?
- CVE-2020-8154 is a high-severity vulnerability in Nextcloud Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.7/10. Published 2020-05-12.
- How severe is CVE-2020-8154?
- High severity. CVSS v3 base score is 7.7 out of 10.