CVE-2022-47648 Auth bypass in B420
An attacker can bypass authentication to access the control panel of the obsolete Bosch B420 module via IP-based authorization flaws.
- 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-2022-47648?
CVE-2022-47648 is a high-severity authentication bypass vulnerability in Bosch B420, published on 8 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Improper Access Control vulnerability allows an attacker to access the control panel of the B420 without requiring any sort of authorization or authentication due to the IP based authorization. If an authorized user has accessed a publicly available B420 product using valid credentials, an insider attacker can gain access to the same panel without requiring any sort of authorization. The B420 module was already obsolete at the time this vulnerability was found (The End of Life announcement was made in 2013).
Which versions are affected by CVE-2022-47648?
It affects 1 product.
Products include Bosch B420 Firmware.
How do I fix CVE-2022-47648?
No fix has been published for CVE-2022-47648 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-47648 being exploited?
There is no known exploitation of CVE-2022-47648 in the wild and no public exploit code.
Sources
Also known as GHSA-c56p-rh7r-f3v9.