CVE-2021-42852 Command injection in Personal Cloud Storage A1
Authenticated attackers can execute arbitrary OS commands on Lenovo Personal Cloud Storage devices via crafted packets.
- 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-2021-42852?
CVE-2021-42852 is a high-severity command injection vulnerability in Lenovo Personal Cloud Storage A1, published on 18 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.
Weakness: CWE-78
Which versions are affected by CVE-2021-42852?
It affects 5 products.
Products include Lenovo A1 Firmware, Lenovo T1 Firmware, Lenovo T2 Firmware, Lenovo T2pro Firmware, Lenovo X1 Firmware.
How do I fix CVE-2021-42852?
No fix has been published for CVE-2021-42852 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-42852 being exploited?
There is no known exploitation of CVE-2021-42852 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Personal Cloud Storage A1
Sources
Also known as GHSA-x2fg-f6p4-x5j3.