CVE-2020-27648 Security feature bypass in DiskStation Manager (DSM)
Man-in-the-middle attackers can spoof servers and obtain sensitive information due to improper certificate validation in the OpenVPN client.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-27648?
CVE-2020-27648 is a high-severity vulnerability in Synology Diskstation Manager, published on 29 Oct 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Weakness: CWE-295
Which versions are affected by CVE-2020-27648?
It affects 2 products.
Products include Synology Diskstation Manager, Synology Skynas Firmware.
How do I fix CVE-2020-27648?
No fix has been published for CVE-2020-27648 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27648 being exploited?
There is no known exploitation of CVE-2020-27648 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-f7vf-74cx-834m.