What’s Vulnerable › Vulnerabilities

CVE-2020-8154

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-12 · updated 2026-06-17
• Weakness: CWE-639

Description

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.

Affected products

• Nextcloud Server: before 17.0.5; from 18.0.0 before 18.0.3 — fixed in 17.0.5, 18.0.3

How to fix

Upgrade to a fixed version: Nextcloud Server 17.0.5, 18.0.3. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html
• https://hackerone.com/reports/819807
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-018
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html
• https://hackerone.com/reports/819807

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