CVE-2020-5353 Missing authorization in Isilon OneFS
An attacker can spoof a UID over NFS to rewrite sensitive files in the admin home directory, gaining administrative access to the system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5353?
CVE-2020-5353 is a high-severity missing authorization vulnerability in Dell Emc Powerscale Onefs, published on 29 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Dell Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale OneFS version 9.0.0 default configuration for Network File System (NFS) allows access to an 'admin' home directory. An attacker may leverage a spoofed Unique Identifier (UID) over NFS to rewrite sensitive files to gain administrative access to the system.
Weakness: CWE-276
Which versions are affected by CVE-2020-5353?
It affects 2 products.
Products include Dell Emc Isilon Onefs, Dell Emc Powerscale Onefs.
How do I fix CVE-2020-5353?
No fix has been published for CVE-2020-5353 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-5353 being exploited?
There is no known exploitation of CVE-2020-5353 in the wild and no public exploit code.
Other vulnerabilities in Dell Emc Powerscale Onefs
Sources
Also known as GHSA-54h3-rfwf-3g76.