Vulnerability · Published Nov 16, 2020 · Assigned by hackerone
CVE-2020-8259
High 8.1
In plain English
A high-severity security flaw 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 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS NVD)8.1High
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | Fixed in 20.0.0 |
Weakness: CWE-522
References
- https://hackerone.com/reports/732431 x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 x_refsource_MISC