CVE-2021-26560 Information disclosure in Synology DiskStation Manager (DSM)
Man-in-the-middle attackers can intercept sensitive data and spoof servers due to cleartext transmission in Synology DSM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26560?
CVE-2021-26560 is a critical vulnerability in Synology Diskstation Manager, published on 26 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Weakness: CWE-319
Which versions are affected by CVE-2021-26560?
It affects 4 products.
Products include Synology Diskstation Manager, Synology Diskstation Manager Unified Controller, Synology Skynas Firmware, Synology Vs960hd Firmware.
How do I fix CVE-2021-26560?
No fix has been published for CVE-2021-26560 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26560 being exploited?
There is no known exploitation of CVE-2021-26560 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-3wrg-wf8p-659h.