vulnerability
Ubuntu: (CVE-2020-36421): mbedtls vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Jul 19, 2021 | Jun 26, 2025 | Aug 18, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jul 19, 2021
Added
Jun 26, 2025
Modified
Aug 18, 2025
Description
An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.
Solution
no-fix-ubuntu-package
References
- CVE-2020-36421
- https://attackerkb.com/topics/CVE-2020-36421
- CWE-203
- URL-https://bugs.gentoo.org/730752
- URL-https://github.com/ARMmbed/mbedtls/issues/3394
- URL-https://github.com/ARMmbed/mbedtls/pull/3398
- URL-https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7
- URL-https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0
- URL-https://www.cve.org/CVERecord?id=CVE-2020-36421
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