CVE-2020-8236
Last modified
CVE-2020-8236 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
Description
A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 19.0.2 |
References
- https://hackerone.com/reports/924393Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-037Broken Link, Vendor Advisory
- https://hackerone.com/reports/924393Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-037Broken Link, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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