CVE-2021-3310 Path traversal in n/a
Attackers can exploit symbolic link mishandling on SMB and AFP shares to execute code and read local files on Western Digital My Cloud devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3310?
CVE-2021-3310 is a high-severity path traversal vulnerability in n/a, published on 10 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files).
Weakness: CWE-59
Which versions are affected by CVE-2021-3310?
It affects 1 product.
Products include Westerndigital My Cloud Os.
How do I fix CVE-2021-3310?
No fix has been published for CVE-2021-3310 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-3310 being exploited?
There is no known exploitation of CVE-2021-3310 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2023-22814 Authentication Bypass issue in My Cloud OS 5 devices
- CVE-2022-29842 Command Injection Vulnerability in Western Digital My Cloud devices
- CVE-2021-36224 Hardcoded credentials in n/a
- CVE-2021-36226 Security feature bypass in n/a
- CVE-2022-22989 Pre-authenticated stack overflow vulnerability on FTP Service
Sources
Also known as GHSA-vxf7-jpg6-xh49.