CVE-2020-10941 Information disclosure in n/a
Attackers can extract RSA private keys from Mbed TLS by measuring cache usage during key import operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-10941?
CVE-2020-10941 is a medium-severity vulnerability in Arm Mbed Tls, published on 24 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Arm Mbed TLS before 2.16.5 allows attackers to obtain sensitive information (an RSA private key) by measuring cache usage during an import.
Which versions are affected by CVE-2020-10941?
It affects 4 products.
Products include Arm Mbed Crypto, Arm Mbed Tls, Debian Debian Linux, Fedoraproject Fedora.
How do I fix CVE-2020-10941?
Upgrade to a fixed version.
Is CVE-2020-10941 being exploited?
There is no known exploitation of CVE-2020-10941 in the wild and no public exploit code.
Other vulnerabilities in Arm Mbed Tls
Sources
Also known as DEBIAN-CVE-2020-10941, GHSA-3qrr-m24q-j9qm, JLSEC-2025-200, UBUNTU-CVE-2020-10941.