CVE-2020-8117
MEDIUMCVSS 4.3/10EPSS 0.71%
Last modified
CVE-2020-8117 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
Description
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 12.0.13 |
| Nextcloud | Nextcloud Server | >= 13.0.0, < 13.0.8 |
| Nextcloud | Nextcloud Server | >= 14.0.0, < 14.0.4 |
References
- https://hackerone.com/reports/439828Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-013Vendor Advisory
- https://hackerone.com/reports/439828Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-013Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8117?
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
How severe is CVE-2020-8117?
CVE-2020-8117 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8117?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-8117?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST