CVE-2021-42849 Hardcoded credentials in Personal Cloud Storage A1
Attackers with physical access can use weak default serial port passwords to gain unauthorized access to Lenovo Personal Cloud Storage devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42849?
CVE-2021-42849 is a medium-severity 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 weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access.
Which versions are affected by CVE-2021-42849?
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-2021-42849?
No fix has been published for CVE-2021-42849 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-42849 being exploited?
There is no known exploitation of CVE-2021-42849 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Personal Cloud Storage A1
Sources
Also known as GHSA-m656-2gwx-2qc9.