CVE-2020-8150 Weak cryptography in Nextcloud Server
An attacker can downgrade the encryption scheme to compromise the integrity of encrypted files in Nextcloud Server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8150?
CVE-2020-8150 is a medium-severity vulnerability in Nextcloud Nextcloud Server, published on 9 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Which versions are affected by CVE-2020-8150?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2020-8150?
No fix has been published for CVE-2020-8150 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-8150 being exploited?
There is no known exploitation of CVE-2020-8150 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- CVE-2021-32802 Preview generation used third-party library not suited for user-generated content in Nextcloud server
- CVE-2023-26482 Scope of workflow operations is not validated in nextcloud server
- CVE-2018-3775 Auth bypass in Nextcloud Server
- CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected
- CVE-2023-32320 Nextcloud Server's brute force protection allows someone to send more requests than intended
Sources
Also known as GHSA-2q3r-568x-rqmv.