Vulnerability · Published Oct 30, 2020 · Assigned by hackerone
CVE-2020-8236
Medium 6.8
In plain English
A medium-severity improper authentication in Nextcloud Server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS NVD)6.8Medium
Exploit odds (30 days)0.6%top 51.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | 19.0.2 |
Weakness: CWE-287
References
- https://hackerone.com/reports/924393 x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-037 x_refsource_MISC