Vulnerability · Published Nov 9, 2020 · Assigned by hackerone
CVE-2020-8133
Medium 5.3
In plain English
A medium-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 54% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | 19.0.2 |
Weakness: CWE-657
References
- https://hackerone.com/reports/661051%2C x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-038 x_refsource_MISC