Vulnerability · Published Nov 9, 2020 · Assigned by hackerone
CVE-2020-8150
Medium 4.1
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 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS NVD)4.1Medium
Exploit odds (30 days)0.3%top 78.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | 19.0.2 |
Weakness: CWE-310
References
- https://hackerone.com/reports/742588 x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-039 x_refsource_MISC
- 20201225 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze mailing-list, x_refsource_FULLDISC
- 20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze mailing-list, x_refsource_FULLDISC
- 20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze mailing-list, x_refsource_FULLDISC