CVE-2020-8173 Weak cryptography in Nextcloud Server
Weak random character set in Nextcloud Server encryption allows attackers to decrypt data faster than intended.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8173?
CVE-2020-8173 is a low-severity vulnerability in Nextcloud Nextcloud Server, published on 30 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
Which versions are affected by CVE-2020-8173?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2020-8173?
No fix has been published for CVE-2020-8173 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-8173 being exploited?
There is no known exploitation of CVE-2020-8173 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-v9r7-gccq-cp4v.