CVE-2020-12061 Information disclosure in n/a
An attacker can eavesdrop on unencrypted communication between the microcontroller and secure element to derive secrets and manipulate firmware.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12061?
CVE-2020-12061 is a critical vulnerability in n/a, published on 21 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Nitrokey FIDO U2F firmware through 1.1. Communication between the microcontroller and the secure element transmits credentials in plain. This allows an adversary to eavesdrop the communication and derive the secrets stored in the microcontroller. As a result, the attacker is able to arbitrarily manipulate the firmware of the microcontroller.
Weakness: CWE-522
Which versions are affected by CVE-2020-12061?
It affects 1 product.
Products include Nitrokey Fido U2f Firmware.
How do I fix CVE-2020-12061?
No fix has been published for CVE-2020-12061 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-12061 being exploited?
There is no known exploitation of CVE-2020-12061 in the wild and no public exploit code.
Sources
Also known as GHSA-8743-v63g-3f38.